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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-27 23:09:29 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-27 23:09:29 -0800
commit86292b33d4b79ee03e2f43ea0381ef85f077c760 (patch)
treeb69a6ffd8ec5ac01599d351205a96804b9c415da /fs
parent1ac884f173d4842216f6a24c03c9833e3ce6e982 (diff)
parent3e761a42e19c63b624ebac94d918d8a15e07e2a7 (diff)
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: - a few MM remainders - misc things - autofs updates - signals - affs updates - ipc - nilfs2 - spelling.txt updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (78 commits) mm, x86: fix HIGHMEM64 && PARAVIRT build config for native_pud_clear() mm: add arch-independent testcases for RODATA hfs: atomically read inode size mm: clarify mm_struct.mm_{users,count} documentation mm: use mmget_not_zero() helper mm: add new mmget() helper mm: add new mmgrab() helper checkpatch: warn when formats use %Z and suggest %z lib/vsprintf.c: remove %Z support scripts/spelling.txt: add some typo-words scripts/spelling.txt: add "followings" pattern and fix typo instances scripts/spelling.txt: add "therfore" pattern and fix typo instances scripts/spelling.txt: add "overwriten" pattern and fix typo instances scripts/spelling.txt: add "overwritting" pattern and fix typo instances scripts/spelling.txt: add "deintialize(d)" pattern and fix typo instances scripts/spelling.txt: add "disassocation" pattern and fix typo instances scripts/spelling.txt: add "omited" pattern and fix typo instances scripts/spelling.txt: add "explictely" pattern and fix typo instances scripts/spelling.txt: add "applys" pattern and fix typo instances scripts/spelling.txt: add "configuartion" pattern and fix typo instances ...
Diffstat (limited to 'fs')
-rw-r--r--fs/affs/affs.h22
-rw-r--r--fs/affs/amigaffs.c42
-rw-r--r--fs/affs/inode.c9
-rw-r--r--fs/affs/namei.c95
-rw-r--r--fs/affs/super.c3
-rw-r--r--fs/afs/dir.c14
-rw-r--r--fs/autofs4/dev-ioctl.c2
-rw-r--r--fs/autofs4/root.c17
-rw-r--r--fs/block_dev.c2
-rw-r--r--fs/btrfs/file.c2
-rw-r--r--fs/buffer.c12
-rw-r--r--fs/ceph/addr.c2
-rw-r--r--fs/dax.c3
-rw-r--r--fs/direct-io.c2
-rw-r--r--fs/ecryptfs/kthread.c2
-rw-r--r--fs/eventpoll.c2
-rw-r--r--fs/ext4/extents_status.c2
-rw-r--r--fs/ext4/inode.c6
-rw-r--r--fs/ext4/mballoc.c2
-rw-r--r--fs/ext4/move_extent.c2
-rw-r--r--fs/hfs/mdb.c2
-rw-r--r--fs/hfsplus/wrapper.c2
-rw-r--r--fs/iomap.c10
-rw-r--r--fs/jfs/super.c4
-rw-r--r--fs/mpage.c2
-rw-r--r--fs/ncpfs/sock.c4
-rw-r--r--fs/nfs/blocklayout/blocklayout.c2
-rw-r--r--fs/nfs/filelayout/filelayout.c4
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c4
-rw-r--r--fs/nfs/objlayout/objlayout.c2
-rw-r--r--fs/nfsd/blocklayout.c6
-rw-r--r--fs/nfsd/nfscache.c2
-rw-r--r--fs/nilfs2/alloc.c2
-rw-r--r--fs/nilfs2/btnode.c2
-rw-r--r--fs/nilfs2/btree.c4
-rw-r--r--fs/nilfs2/inode.c4
-rw-r--r--fs/nilfs2/mdt.c4
-rw-r--r--fs/nilfs2/segment.c2
-rw-r--r--fs/ocfs2/aops.c2
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c2
-rw-r--r--fs/ocfs2/file.c2
-rw-r--r--fs/orangefs/orangefs-utils.c4
-rw-r--r--fs/proc/base.c8
-rw-r--r--fs/proc/kcore.c5
-rw-r--r--fs/proc/task_mmu.c4
-rw-r--r--fs/proc/task_nommu.c2
-rw-r--r--fs/reiserfs/file.c2
-rw-r--r--fs/reiserfs/inode.c2
-rw-r--r--fs/reiserfs/super.c2
-rw-r--r--fs/stat.c2
-rw-r--r--fs/udf/inode.c2
-rw-r--r--fs/userfaultfd.c8
-rw-r--r--fs/xfs/xfs_aops.c16
-rw-r--r--fs/xfs/xfs_file.c4
54 files changed, 218 insertions, 154 deletions
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 2f088773f1c0..2f8bab390d13 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -138,9 +138,9 @@ extern int affs_remove_hash(struct inode *dir, struct buffer_head *rem_bh);
extern int affs_remove_header(struct dentry *dentry);
extern u32 affs_checksum_block(struct super_block *sb, struct buffer_head *bh);
extern void affs_fix_checksum(struct super_block *sb, struct buffer_head *bh);
-extern void secs_to_datestamp(time64_t secs, struct affs_date *ds);
-extern umode_t prot_to_mode(u32 prot);
-extern void mode_to_prot(struct inode *inode);
+extern void affs_secs_to_datestamp(time64_t secs, struct affs_date *ds);
+extern umode_t affs_prot_to_mode(u32 prot);
+extern void affs_mode_to_prot(struct inode *inode);
__printf(3, 4)
extern void affs_error(struct super_block *sb, const char *function,
const char *fmt, ...);
@@ -162,6 +162,7 @@ extern void affs_free_bitmap(struct super_block *sb);
/* namei.c */
+extern const struct export_operations affs_export_ops;
extern int affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len);
extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry, unsigned int);
extern int affs_unlink(struct inode *dir, struct dentry *dentry);
@@ -178,7 +179,6 @@ extern int affs_rename(struct inode *old_dir, struct dentry *old_dentry,
/* inode.c */
-extern unsigned long affs_parent_ino(struct inode *dir);
extern struct inode *affs_new_inode(struct inode *dir);
extern int affs_notify_change(struct dentry *dentry, struct iattr *attr);
extern void affs_evict_inode(struct inode *inode);
@@ -213,6 +213,12 @@ extern const struct address_space_operations affs_aops_ofs;
extern const struct dentry_operations affs_dentry_operations;
extern const struct dentry_operations affs_intl_dentry_operations;
+static inline bool affs_validblock(struct super_block *sb, int block)
+{
+ return(block >= AFFS_SB(sb)->s_reserved &&
+ block < AFFS_SB(sb)->s_partition_size);
+}
+
static inline void
affs_set_blocksize(struct super_block *sb, int size)
{
@@ -222,7 +228,7 @@ static inline struct buffer_head *
affs_bread(struct super_block *sb, int block)
{
pr_debug("%s: %d\n", __func__, block);
- if (block >= AFFS_SB(sb)->s_reserved && block < AFFS_SB(sb)->s_partition_size)
+ if (affs_validblock(sb, block))
return sb_bread(sb, block);
return NULL;
}
@@ -230,7 +236,7 @@ static inline struct buffer_head *
affs_getblk(struct super_block *sb, int block)
{
pr_debug("%s: %d\n", __func__, block);
- if (block >= AFFS_SB(sb)->s_reserved && block < AFFS_SB(sb)->s_partition_size)
+ if (affs_validblock(sb, block))
return sb_getblk(sb, block);
return NULL;
}
@@ -239,7 +245,7 @@ affs_getzeroblk(struct super_block *sb, int block)
{
struct buffer_head *bh;
pr_debug("%s: %d\n", __func__, block);
- if (block >= AFFS_SB(sb)->s_reserved && block < AFFS_SB(sb)->s_partition_size) {
+ if (affs_validblock(sb, block)) {
bh = sb_getblk(sb, block);
lock_buffer(bh);
memset(bh->b_data, 0 , sb->s_blocksize);
@@ -254,7 +260,7 @@ affs_getemptyblk(struct super_block *sb, int block)
{
struct buffer_head *bh;
pr_debug("%s: %d\n", __func__, block);
- if (block >= AFFS_SB(sb)->s_reserved && block < AFFS_SB(sb)->s_partition_size) {
+ if (affs_validblock(sb, block)) {
bh = sb_getblk(sb, block);
wait_on_buffer(bh);
set_buffer_uptodate(bh);
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index 0ec65c133b93..b573c3b9a328 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -367,7 +367,7 @@ affs_fix_checksum(struct super_block *sb, struct buffer_head *bh)
}
void
-secs_to_datestamp(time64_t secs, struct affs_date *ds)
+affs_secs_to_datestamp(time64_t secs, struct affs_date *ds)
{
u32 days;
u32 minute;
@@ -386,55 +386,55 @@ secs_to_datestamp(time64_t secs, struct affs_date *ds)
}
umode_t
-prot_to_mode(u32 prot)
+affs_prot_to_mode(u32 prot)
{
umode_t mode = 0;
if (!(prot & FIBF_NOWRITE))
- mode |= S_IWUSR;
+ mode |= 0200;
if (!(prot & FIBF_NOREAD))
- mode |= S_IRUSR;
+ mode |= 0400;
if (!(prot & FIBF_NOEXECUTE))
- mode |= S_IXUSR;
+ mode |= 0100;
if (prot & FIBF_GRP_WRITE)
- mode |= S_IWGRP;
+ mode |= 0020;
if (prot & FIBF_GRP_READ)
- mode |= S_IRGRP;
+ mode |= 0040;
if (prot & FIBF_GRP_EXECUTE)
- mode |= S_IXGRP;
+ mode |= 0010;
if (prot & FIBF_OTR_WRITE)
- mode |= S_IWOTH;
+ mode |= 0002;
if (prot & FIBF_OTR_READ)
- mode |= S_IROTH;
+ mode |= 0004;
if (prot & FIBF_OTR_EXECUTE)
- mode |= S_IXOTH;
+ mode |= 0001;
return mode;
}
void
-mode_to_prot(struct inode *inode)
+affs_mode_to_prot(struct inode *inode)
{
u32 prot = AFFS_I(inode)->i_protect;
umode_t mode = inode->i_mode;
- if (!(mode & S_IXUSR))
+ if (!(mode & 0100))
prot |= FIBF_NOEXECUTE;
- if (!(mode & S_IRUSR))
+ if (!(mode & 0400))
prot |= FIBF_NOREAD;
- if (!(mode & S_IWUSR))
+ if (!(mode & 0200))
prot |= FIBF_NOWRITE;
- if (mode & S_IXGRP)
+ if (mode & 0010)
prot |= FIBF_GRP_EXECUTE;
- if (mode & S_IRGRP)
+ if (mode & 0040)
prot |= FIBF_GRP_READ;
- if (mode & S_IWGRP)
+ if (mode & 0020)
prot |= FIBF_GRP_WRITE;
- if (mode & S_IXOTH)
+ if (mode & 0001)
prot |= FIBF_OTR_EXECUTE;
- if (mode & S_IROTH)
+ if (mode & 0004)
prot |= FIBF_OTR_READ;
- if (mode & S_IWOTH)
+ if (mode & 0002)
prot |= FIBF_OTR_WRITE;
AFFS_I(inode)->i_protect = prot;
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index fe4e1290dbb5..a5e6097eb5a9 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -69,7 +69,7 @@ struct inode *affs_iget(struct super_block *sb, unsigned long ino)
if (affs_test_opt(sbi->s_flags, SF_SETMODE))
inode->i_mode = sbi->s_mode;
else
- inode->i_mode = prot_to_mode(prot);
+ inode->i_mode = affs_prot_to_mode(prot);
id = be16_to_cpu(tail->uid);
if (id == 0 || affs_test_opt(sbi->s_flags, SF_SETUID))
@@ -184,11 +184,12 @@ affs_write_inode(struct inode *inode, struct writeback_control *wbc)
}
tail = AFFS_TAIL(sb, bh);
if (tail->stype == cpu_to_be32(ST_ROOT)) {
- secs_to_datestamp(inode->i_mtime.tv_sec,&AFFS_ROOT_TAIL(sb, bh)->root_change);
+ affs_secs_to_datestamp(inode->i_mtime.tv_sec,
+ &AFFS_ROOT_TAIL(sb, bh)->root_change);
} else {
tail->protect = cpu_to_be32(AFFS_I(inode)->i_protect);
tail->size = cpu_to_be32(inode->i_size);
- secs_to_datestamp(inode->i_mtime.tv_sec,&tail->change);
+ affs_secs_to_datestamp(inode->i_mtime.tv_sec, &tail->change);
if (!(inode->i_ino == AFFS_SB(sb)->s_root_block)) {
uid = i_uid_read(inode);
gid = i_gid_read(inode);
@@ -249,7 +250,7 @@ affs_notify_change(struct dentry *dentry, struct iattr *attr)
mark_inode_dirty(inode);
if (attr->ia_valid & ATTR_MODE)
- mode_to_prot(inode);
+ affs_mode_to_prot(inode);
out:
return error;
}
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index 29186d29a3b6..96dd1d09a273 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -9,29 +9,10 @@
*/
#include "affs.h"
+#include <linux/exportfs.h>
typedef int (*toupper_t)(int);
-static int affs_toupper(int ch);
-static int affs_hash_dentry(const struct dentry *, struct qstr *);
-static int affs_compare_dentry(const struct dentry *dentry,
- unsigned int len, const char *str, const struct qstr *name);
-static int affs_intl_toupper(int ch);
-static int affs_intl_hash_dentry(const struct dentry *, struct qstr *);
-static int affs_intl_compare_dentry(const struct dentry *dentry,
- unsigned int len, const char *str, const struct qstr *name);
-
-const struct dentry_operations affs_dentry_operations = {
- .d_hash = affs_hash_dentry,
- .d_compare = affs_compare_dentry,
-};
-
-const struct dentry_operations affs_intl_dentry_operations = {
- .d_hash = affs_intl_hash_dentry,
- .d_compare = affs_intl_compare_dentry,
-};
-
-
/* Simple toupper() for DOS\1 */
static int
@@ -271,7 +252,7 @@ affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl)
return -ENOSPC;
inode->i_mode = mode;
- mode_to_prot(inode);
+ affs_mode_to_prot(inode);
mark_inode_dirty(inode);
inode->i_op = &affs_file_inode_operations;
@@ -301,7 +282,7 @@ affs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
return -ENOSPC;
inode->i_mode = S_IFDIR | mode;
- mode_to_prot(inode);
+ affs_mode_to_prot(inode);
inode->i_op = &affs_dir_inode_operations;
inode->i_fop = &affs_dir_operations;
@@ -347,7 +328,7 @@ affs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
inode_nohighmem(inode);
inode->i_data.a_ops = &affs_symlink_aops;
inode->i_mode = S_IFLNK | 0777;
- mode_to_prot(inode);
+ affs_mode_to_prot(inode);
error = -EIO;
bh = affs_bread(sb, inode->i_ino);
@@ -465,3 +446,71 @@ done:
affs_brelse(bh);
return retval;
}
+
+static struct dentry *affs_get_parent(struct dentry *child)
+{
+ struct inode *parent;
+ struct buffer_head *bh;
+
+ bh = affs_bread(child->d_sb, d_inode(child)->i_ino);
+ if (!bh)
+ return ERR_PTR(-EIO);
+
+ parent = affs_iget(child->d_sb,
+ be32_to_cpu(AFFS_TAIL(child->d_sb, bh)->parent));
+ brelse(bh);
+ if (IS_ERR(parent))
+ return ERR_CAST(parent);
+
+ return d_obtain_alias(parent);
+}
+
+static struct inode *affs_nfs_get_inode(struct super_block *sb, u64 ino,
+ u32 generation)
+{
+ struct inode *inode;
+
+ if (!affs_validblock(sb, ino))
+ return ERR_PTR(-ESTALE);
+
+ inode = affs_iget(sb, ino);
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
+
+ if (generation && inode->i_generation != generation) {
+ iput(inode);
+ return ERR_PTR(-ESTALE);
+ }
+
+ return inode;
+}
+
+static struct dentry *affs_fh_to_dentry(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type)
+{
+ return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
+ affs_nfs_get_inode);
+}
+
+static struct dentry *affs_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type)
+{
+ return generic_fh_to_parent(sb, fid, fh_len, fh_type,
+ affs_nfs_get_inode);
+}
+
+const struct export_operations affs_export_ops = {
+ .fh_to_dentry = affs_fh_to_dentry,
+ .fh_to_parent = affs_fh_to_parent,
+ .get_parent = affs_get_parent,
+};
+
+const struct dentry_operations affs_dentry_operations = {
+ .d_hash = affs_hash_dentry,
+ .d_compare = affs_compare_dentry,
+};
+
+const struct dentry_operations affs_intl_dentry_operations = {
+ .d_hash = affs_intl_hash_dentry,
+ .d_compare = affs_intl_compare_dentry,
+};
diff --git a/fs/affs/super.c b/fs/affs/super.c
index d6384863192c..37532538e8ab 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -32,7 +32,7 @@ affs_commit_super(struct super_block *sb, int wait)
struct affs_root_tail *tail = AFFS_ROOT_TAIL(sb, bh);
lock_buffer(bh);
- secs_to_datestamp(ktime_get_real_seconds(), &tail->disk_change);
+ affs_secs_to_datestamp(ktime_get_real_seconds(), &tail->disk_change);
affs_fix_checksum(sb, bh);
unlock_buffer(bh);
@@ -507,6 +507,7 @@ got_root:
return -ENOMEM;
}
+ sb->s_export_op = &affs_export_ops;
pr_debug("s_flags=%lX\n", sb->s_flags);
return 0;
}
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 51a241e09fbb..949f960337f5 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -252,7 +252,7 @@ static int afs_dir_iterate_block(struct dir_context *ctx,
/* skip entries marked unused in the bitmap */
if (!(block->pagehdr.bitmap[offset / 8] &
(1 << (offset % 8)))) {
- _debug("ENT[%Zu.%u]: unused",
+ _debug("ENT[%zu.%u]: unused",
blkoff / sizeof(union afs_dir_block), offset);
if (offset >= curr)
ctx->pos = blkoff +
@@ -266,7 +266,7 @@ static int afs_dir_iterate_block(struct dir_context *ctx,
sizeof(*block) -
offset * sizeof(union afs_dirent));
- _debug("ENT[%Zu.%u]: %s %Zu \"%s\"",
+ _debug("ENT[%zu.%u]: %s %zu \"%s\"",
blkoff / sizeof(union afs_dir_block), offset,
(offset < curr ? "skip" : "fill"),
nlen, dire->u.name);
@@ -274,23 +274,23 @@ static int afs_dir_iterate_block(struct dir_context *ctx,
/* work out where the next possible entry is */
for (tmp = nlen; tmp > 15; tmp -= sizeof(union afs_dirent)) {
if (next >= AFS_DIRENT_PER_BLOCK) {
- _debug("ENT[%Zu.%u]:"
+ _debug("ENT[%zu.%u]:"
" %u travelled beyond end dir block"
- " (len %u/%Zu)",
+ " (len %u/%zu)",
blkoff / sizeof(union afs_dir_block),
offset, next, tmp, nlen);
return -EIO;
}
if (!(block->pagehdr.bitmap[next / 8] &
(1 << (next % 8)))) {
- _debug("ENT[%Zu.%u]:"
- " %u unmarked extension (len %u/%Zu)",
+ _debug("ENT[%zu.%u]:"
+ " %u unmarked extension (len %u/%zu)",
blkoff / sizeof(union afs_dir_block),
offset, next, tmp, nlen);
return -EIO;
}
- _debug("ENT[%Zu.%u]: ext %u/%Zu",
+ _debug("ENT[%zu.%u]: ext %u/%zu",
blkoff / sizeof(union afs_dir_block),
next, tmp, nlen);
next++;
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 6f48d670c941..806df746f1a9 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -38,8 +38,6 @@
* which have been left busy at at service shutdown.
*/
-#define AUTOFS_DEV_IOCTL_SIZE sizeof(struct autofs_dev_ioctl)
-
typedef int (*ioctl_fn)(struct file *, struct autofs_sb_info *,
struct autofs_dev_ioctl *);
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 82e8f6edfb48..d79ced925861 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -281,8 +281,8 @@ static int autofs4_mount_wait(const struct path *path, bool rcu_walk)
pr_debug("waiting for mount name=%pd\n", path->dentry);
status = autofs4_wait(sbi, path, NFY_MOUNT);
pr_debug("mount wait done status=%d\n", status);
+ ino->last_used = jiffies;
}
- ino->last_used = jiffies;
return status;
}
@@ -321,16 +321,21 @@ static struct dentry *autofs4_mountpoint_changed(struct path *path)
*/
if (autofs_type_indirect(sbi->type) && d_unhashed(dentry)) {
struct dentry *parent = dentry->d_parent;
- struct autofs_info *ino;
struct dentry *new;
new = d_lookup(parent, &dentry->d_name);
if (!new)
return NULL;
- ino = autofs4_dentry_ino(new);
- ino->last_used = jiffies;
- dput(path->dentry);
- path->dentry = new;
+ if (new == dentry)
+ dput(new);
+ else {
+ struct autofs_info *ino;
+
+ ino = autofs4_dentry_ino(new);
+ ino->last_used = jiffies;
+ dput(path->dentry);
+ path->dentry = new;
+ }
}
return path->dentry;
}
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 1c62845a72c7..77c30f15a02c 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -989,7 +989,7 @@ struct block_device *bdget(dev_t dev)
bdev->bd_super = NULL;
bdev->bd_inode = inode;
bdev->bd_bdi = &noop_backing_dev_info;
- bdev->bd_block_size = (1 << inode->i_blkbits);
+ bdev->bd_block_size = i_blocksize(inode);
bdev->bd_part_count = 0;
bdev->bd_invalidated = 0;
inode->i_mode = S_IFBLK;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 18e5146df864..c1d2a07205da 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2875,7 +2875,7 @@ static long btrfs_fallocate(struct file *file, int mode,
if (!ret)
ret = btrfs_prealloc_file_range(inode, mode,
range->start,
- range->len, 1 << inode->i_blkbits,
+ range->len, i_blocksize(inode),
offset + len, &alloc_hint);
else
btrfs_free_reserved_data_space(inode, range->start,
diff --git a/fs/buffer.c b/fs/buffer.c
index 0e87401cf335..28484b3ebc98 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2395,7 +2395,7 @@ static int cont_expand_zero(struct file *file, struct address_space *mapping,
loff_t pos, loff_t *bytes)
{
struct inode *inode = mapping->host;
- unsigned blocksize = 1 << inode->i_blkbits;
+ unsigned int blocksize = i_blocksize(inode);
struct page *page;
void *fsdata;
pgoff_t index, curidx;
@@ -2475,8 +2475,8 @@ int cont_write_begin(struct file *file, struct address_space *mapping,
get_block_t *get_block, loff_t *bytes)
{
struct inode *inode = mapping->host;
- unsigned blocksize = 1 << inode->i_blkbits;
- unsigned zerofrom;
+ unsigned int blocksize = i_blocksize(inode);
+ unsigned int zerofrom;
int err;
err = cont_expand_zero(file, mapping, pos, bytes);
@@ -2838,7 +2838,7 @@ int nobh_truncate_page(struct address_space *mapping,
struct buffer_head map_bh;
int err;
- blocksize = 1 << inode->i_blkbits;
+ blocksize = i_blocksize(inode);
length = offset & (blocksize - 1);
/* Block boundary? Nothing to do */
@@ -2916,7 +2916,7 @@ int block_truncate_page(struct address_space *mapping,
struct buffer_head *bh;
int err;
- blocksize = 1 << inode->i_blkbits;
+ blocksize = i_blocksize(inode);
length = offset & (blocksize - 1);
/* Block boundary? Nothing to do */
@@ -3028,7 +3028,7 @@ sector_t generic_block_bmap(struct address_space *mapping, sector_t block,
struct inode *inode = mapping->host;
tmp.b_state = 0;
tmp.b_blocknr = 0;
- tmp.b_size = 1 << inode->i_blkbits;
+ tmp.b_size = i_blocksize(inode);
get_block(inode, block, &tmp, 0);
return tmp.b_blocknr;
}
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 09860c0ec7c1..7ce35aec8c76 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -751,7 +751,7 @@ static int ceph_writepages_start(struct address_space *mapping,
struct pagevec pvec;
int done = 0;
int rc = 0;
- unsigned wsize = 1 << inode->i_blkbits;
+ unsigned int wsize = i_blocksize(inode);
struct ceph_osd_request *req = NULL;
int do_sync = 0;
loff_t snap_size, i_size;
diff --git a/fs/dax.c b/fs/dax.c
index 5ae8b71ebadc..7436c98b92c8 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1436,7 +1436,8 @@ out:
return result;
}
#else
-static int dax_iomap_pmd_fault(struct vm_fault *vmf, struct iomap_ops *ops)
+static int dax_iomap_pmd_fault(struct vm_fault *vmf,
+ const struct iomap_ops *ops)
{
return VM_FAULT_FALLBACK;
}
diff --git a/fs/direct-io.c b/fs/direct-io.c
index c87bae4376b8..a04ebea77de8 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -587,7 +587,7 @@ static int dio_set_defer_completion(struct dio *dio)
/*
* Call into the fs to map some more disk blocks. We record the current number
* of available blocks at sdio->blocks_available. These are in units of the
- * fs blocksize, (1 << inode->i_blkbits).
+ * fs blocksize, i_blocksize(inode).
*
* The fs is allowed to map lots of blocks at once. If it wants to do that,
* it uses the passed inode-relative block number as the file offset, as usual.
diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c
index 866bb18efefe..e00d45af84ea 100644
--- a/fs/ecryptfs/kthread.c
+++ b/fs/ecryptfs/kthread.c
@@ -123,7 +123,7 @@ void ecryptfs_destroy_kthread(void)
* @lower_dentry: Lower dentry for file to open
* @lower_mnt: Lower vfsmount for file to open
*
- * This function gets a r/w file opened againt the lower dentry.
+ * This function gets a r/w file opened against the lower dentry.
*
* Returns zero on success; non-zero otherwise
*/
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index bcb68fcc8445..5ec16313da1a 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1895,7 +1895,7 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
* so EPOLLEXCLUSIVE is not allowed for a EPOLL_CTL_MOD operation.
* Also, we do not currently supported nested exclusive wakeups.
*/
- if (epds.events & EPOLLEXCLUSIVE) {
+ if (ep_op_has_event(op) && (epds.events & EPOLLEXCLUSIVE)) {
if (op == EPOLL_CTL_MOD)
goto error_tgt_fput;
if (op == EPOLL_CTL_ADD && (is_file_epoll(tf.file) ||
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 37e059202cd2..e7f12a204cbc 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -84,7 +84,7 @@
* -- writeout
* Writeout looks up whole page cache to see if a buffer is
* mapped, If there are not very many delayed buffers, then it is
- * time comsuming.
+ * time consuming.
*
* With extent status tree implementation, FIEMAP, SEEK_HOLE/DATA,
* bigalloc and writeout can figure out if a block or a range of
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 41d8e53e5a7f..971f66342080 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2221,7 +2221,7 @@ static int mpage_process_page_bufs(struct mpage_da_data *mpd,
{
struct inode *inode = mpd->inode;
int err;
- ext4_lblk_t blocks = (i_size_read(inode) + (1 << inode->i_blkbits) - 1)
+ ext4_lblk_t blocks = (i_size_read(inode) + i_blocksize(inode) - 1)
>> inode->i_blkbits;
do {
@@ -3577,7 +3577,7 @@ static ssize_t ext4_direct_IO_write(struct kiocb *iocb, struct iov_iter *iter)
if (overwrite)
get_block_func = ext4_dio_get_block_overwrite;
else if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS) ||
- round_down(offset, 1 << inode->i_blkbits) >= inode->i_size) {
+ round_down(offset, i_blocksize(inode)) >= inode->i_size) {
get_block_func = ext4_dio_get_block;
dio_flags = DIO_LOCKING | DIO_SKIP_HOLES;
} else if (is_sync_kiocb(iocb)) {
@@ -5179,7 +5179,7 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode)
* do. We do the check mainly to optimize the common PAGE_SIZE ==
* blocksize case
*/
- if (offset > PAGE_SIZE - (1 << inode->i_blkbits))
+ if (offset > PAGE_SIZE - i_blocksize(inode))
return;
while (1) {
page = find_lock_page(inode->i_mapping,
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 10c62de642c6..354dc1a894c2 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -838,7 +838,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore, gfp_t gfp)
inode = page->mapping->host;
sb = inode->i_sb;
ngroups = ext4_get_groups_count(sb);
- blocksize = 1 << inode->i_blkbits;
+ blocksize = i_blocksize(inode);
blocks_per_page = PAGE_SIZE / blocksize;
groups_per_page = blocks_per_page >> 1;
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 6fc14def0c70..578f8c33fb44 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -187,7 +187,7 @@ mext_page_mkuptodate(struct page *page, unsigned from, unsigned to)
if (PageUptodate(page))
return 0;
- blocksize = 1 << inode->i_blkbits;
+ blocksize = i_blocksize(inode);
if (!page_has_buffers(page))
create_empty_buffers(page, blocksize, 0);
diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c
index a3ec3ae7d347..482081bcdf70 100644
--- a/fs/hfs/mdb.c
+++ b/fs/hfs/mdb.c
@@ -38,7 +38,7 @@ static int hfs_get_last_session(struct super_block *sb,
/* default values */
*start = 0;
- *size = sb->s_bdev->bd_inode->i_size >> 9;
+ *size = i_size_read(sb->s_bdev->bd_inode) >> 9;
if (HFS_SB(sb)->session >= 0) {
te.cdte_track = HFS_SB(sb)->session;
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index ebb85e5f6549..e254fa0f0697 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -132,7 +132,7 @@ static int hfsplus_get_last_session(struct super_block *sb,
/* default values */
*start = 0;
- *size = sb->s_bdev->bd_inode->i_size >> 9;
+ *size = i_size_read(sb->s_bdev->bd_inode) >> 9;
if (HFSPLUS_SB(sb)->session >= 0) {
te.cdte_track = HFSPLUS_SB(sb)->session;
diff --git a/fs/iomap.c b/fs/iomap.c
index d209f42cdcb8..0f85f2410605 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -420,8 +420,8 @@ int
iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero,
const struct iomap_ops *ops)
{
- unsigned blocksize = (1 << inode->i_blkbits);
- unsigned off = pos & (blocksize - 1);
+ unsigned int blocksize = i_blocksize(inode);
+ unsigned int off = pos & (blocksize - 1);
/* Block boundary? Nothing to do */
if (!off)
@@ -735,9 +735,9 @@ iomap_dio_actor(struct inode *inode, loff_t pos, loff_t length,
void *data, struct iomap *iomap)
{
struct iomap_dio *dio = data;
- unsigned blkbits = blksize_bits(bdev_logical_block_size(iomap->bdev));
- unsigned fs_block_size = (1 << inode->i_blkbits), pad;
- unsigned align = iov_iter_alignment(dio->submit.iter);
+ unsigned int blkbits = blksize_bits(bdev_logical_block_size(iomap->bdev));
+ unsigned int fs_block_size = i_blocksize(inode), pad;
+ unsigned int align = iov_iter_alignment(dio->submit.iter);
struct iov_iter iter;
struct bio *bio;
bool need_zeroout = false;
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 2be7c9ce6663..c64c2574a0aa 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -758,7 +758,7 @@ static ssize_t jfs_quota_read(struct super_block *sb, int type, char *data,
sb->s_blocksize - offset : toread;
tmp_bh.b_state = 0;
- tmp_bh.b_size = 1 << inode->i_blkbits;
+ tmp_bh.b_size = i_blocksize(inode);
err = jfs_get_block(inode, blk, &tmp_bh, 0);
if (err)
return err;
@@ -798,7 +798,7 @@ static ssize_t jfs_quota_write(struct super_block *sb, int type,
sb->s_blocksize - offset : towrite;
tmp_bh.b_state = 0;
- tmp_bh.b_size = 1 << inode->i_blkbits;
+ tmp_bh.b_size = i_blocksize(inode);
err = jfs_get_block(inode, blk, &tmp_bh, 1);
if (err)
goto out;
diff --git a/fs/mpage.c b/fs/mpage.c
index 28af984a3d96..baff8f820c29 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -115,7 +115,7 @@ map_buffer_to_page(struct page *page, struct buffer_head *bh, int page_block)
SetPageUptodate(page);
return;
}
- create_empty_buffers(page, 1 << inode->i_blkbits, 0);
+ create_empty_buffers(page, i_blocksize(inode), 0);
}
head = page_buffers(page);
page_bh = head;
diff --git a/fs/ncpfs/sock.c b/fs/ncpfs/sock.c
index f32f272ee501..97b111d79489 100644
--- a/fs/ncpfs/sock.c
+++ b/fs/ncpfs/sock.c
@@ -525,7 +525,7 @@ static int do_tcp_rcv(struct ncp_server *server, void *buffer, size_t len)
return result;
}
if (result > len) {
- pr_err("tcp: bug in recvmsg (%u > %Zu)\n", result, len);
+ pr_err("tcp: bug in recvmsg (%u > %zu)\n", result, len);
return -EIO;
}
return result;
@@ -619,7 +619,7 @@ skipdata:;
goto skipdata2;
}
if (datalen > req->datalen + 8) {
- pr_err("tcp: Unexpected reply len %d (expected at most %Zd)\n", datalen, req->datalen + 8);
+ pr_err("tcp: Unexpected reply len %d (expected at most %zd)\n", datalen, req->datalen + 8);
server->rcv.state = 3;
goto skipdata;
}
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index 2905479f214a..0ca370d23ddb 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -381,7 +381,7 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync)
struct blk_plug plug;
int i;
- dprintk("%s enter, %Zu@%lld\n", __func__, count, offset);
+ dprintk("%s enter, %zu@%lld\n", __func__, count, offset);
/* At this point, header->page_aray is a (sequential) list of nfs_pages.
* We want to write each, and if there is an error set pnfs_error
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index a3fc48ba4931..18f98e08544d 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -482,7 +482,7 @@ filelayout_read_pagelist(struct nfs_pgio_header *hdr)
u32 j, idx;
struct nfs_fh *fh;
- dprintk("--> %s ino %lu pgbase %u req %Zu@%llu\n",
+ dprintk("--> %s ino %lu pgbase %u req %zu@%llu\n",
__func__, hdr->inode->i_ino,
hdr->args.pgbase, (size_t)hdr->args.count, offset);
@@ -540,7 +540,7 @@ filelayout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
if (IS_ERR(ds_clnt))
return PNFS_NOT_ATTEMPTED;
- dprintk("%s ino %lu sync %d req %Zu@%llu DS: %s cl_count %d\n",
+ dprintk("%s ino %lu sync %d req %zu@%llu DS: %s cl_count %d\n",
__func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count,
offset, ds->ds_remotestr, atomic_read(&ds->ds_clp->cl_count));
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 0ca4af8cca5d..d6acc688df7e 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1751,7 +1751,7 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
int vers;
struct nfs_fh *fh;
- dprintk("--> %s ino %lu pgbase %u req %Zu@%llu\n",
+ dprintk("--> %s ino %lu pgbase %u req %zu@%llu\n",
__func__, hdr->inode->i_ino,
hdr->args.pgbase, (size_t)hdr->args.count, offset);
@@ -1828,7 +1828,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
vers = nfs4_ff_layout_ds_version(lseg, idx);
- dprintk("%s ino %lu sync %d req %Zu@%llu DS: %s cl_count %d vers %d\n",
+ dprintk("%s ino %lu sync %d req %zu@%llu DS: %s cl_count %d vers %d\n",
__func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count,
offset, ds->ds_remotestr, atomic_read(&ds->ds_clp->cl_count),
vers);
diff --git a/fs/nfs/objlayout/objlayout.c b/fs/nfs/objlayout/objlayout.c
index 2a4cdce939a0..8f3d2acb81c3 100644
--- a/fs/nfs/objlayout/objlayout.c
+++ b/fs/nfs/objlayout/objlayout.c
@@ -291,7 +291,7 @@ objlayout_read_pagelist(struct nfs_pgio_header *hdr)
&hdr->args.pgbase,
hdr->args.offset, hdr->args.count);
- dprintk("%s: inode(%lx) offset 0x%llx count 0x%Zx eof=%d\n",
+ dprintk("%s: inode(%lx) offset 0x%llx count 0x%zx eof=%d\n",
__func__, inode->i_ino, offset, count, hdr->res.eof);
err = objio_read_pagelist(hdr);
diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c
index a06115e31612..92b4b41d19d2 100644
--- a/fs/nfsd/blocklayout.c
+++ b/fs/nfsd/blocklayout.c
@@ -24,7 +24,7 @@ nfsd4_block_proc_layoutget(struct inode *inode, const struct svc_fh *fhp,
{
struct nfsd4_layout_seg *seg = &args->lg_seg;
struct super_block *sb = inode->i_sb;
- u32 block_size = (1 << inode->i_blkbits);
+ u32 block_size = i_blocksize(inode);
struct pnfs_block_extent *bex;
struct iomap iomap;
u32 device_generation = 0;
@@ -181,7 +181,7 @@ nfsd4_block_proc_layoutcommit(struct inode *inode,
int nr_iomaps;
nr_iomaps = nfsd4_block_decode_layoutupdate(lcp->lc_up_layout,
- lcp->lc_up_len, &iomaps, 1 << inode->i_blkbits);
+ lcp->lc_up_len, &iomaps, i_blocksize(inode));
if (nr_iomaps < 0)
return nfserrno(nr_iomaps);
@@ -375,7 +375,7 @@ nfsd4_scsi_proc_layoutcommit(struct inode *inode,
int nr_iomaps;
nr_iomaps = nfsd4_scsi_decode_layoutupdate(lcp->lc_up_layout,
- lcp->lc_up_len, &iomaps, 1 << inode->i_blkbits);
+ lcp->lc_up_len, &iomaps, i_blocksize(inode));
if (nr_iomaps < 0)
return nfserrno(nr_iomaps);
diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index d6b97b424ad1..96fd15979cbd 100644
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -578,7 +578,7 @@ nfsd_cache_append(struct svc_rqst *rqstp, struct kvec *data)
struct kvec *vec = &rqstp->rq_res.head[0];
if (vec->iov_len + data->iov_len > PAGE_SIZE) {
- printk(KERN_WARNING "nfsd: cached reply too large (%Zd).\n",
+ printk(KERN_WARNING "nfsd: cached reply too large (%zd).\n",
data->iov_len);
return 0;
}
diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
index 2c90e285d7c6..03b8ba933eb2 100644
--- a/fs/nilfs2/alloc.c
+++ b/fs/nilfs2/alloc.c
@@ -34,7 +34,7 @@
static inline unsigned long
nilfs_palloc_groups_per_desc_block(const struct inode *inode)
{
- return (1UL << inode->i_blkbits) /
+ return i_blocksize(inode) /
sizeof(struct nilfs_palloc_group_desc);
}
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index d5c23da43513..c21e0b4454a6 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -50,7 +50,7 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr)
brelse(bh);
BUG();
}
- memset(bh->b_data, 0, 1 << inode->i_blkbits);
+ memset(bh->b_data, 0, i_blocksize(inode));
bh->b_bdev = inode->i_sb->s_bdev;
bh->b_blocknr = blocknr;
set_buffer_mapped(bh);
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 2e315f9f2e51..06ffa135dfa6 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -119,7 +119,7 @@ nilfs_btree_node_set_nchildren(struct nilfs_btree_node *node, int nchildren)
static int nilfs_btree_node_size(const struct nilfs_bmap *btree)
{
- return 1 << btree->b_inode->i_blkbits;
+ return i_blocksize(btree->b_inode);
}
static int nilfs_btree_nchildren_per_block(const struct nilfs_bmap *btree)
@@ -1870,7 +1870,7 @@ int nilfs_btree_convert_and_insert(struct nilfs_bmap *btree,
di = &dreq;
ni = NULL;
} else if ((n + 1) <= NILFS_BTREE_NODE_NCHILDREN_MAX(
- 1 << btree->b_inode->i_blkbits)) {
+ nilfs_btree_node_size(btree))) {
di = &dreq;
ni = &nreq;
} else {
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index c7f4fef9ebf5..7ffe71a8dfb9 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -51,7 +51,7 @@ void nilfs_inode_add_blocks(struct inode *inode, int n)
{
struct nilfs_root *root = NILFS_I(inode)->i_root;
- inode_add_bytes(inode, (1 << inode->i_blkbits) * n);
+ inode_add_bytes(inode, i_blocksize(inode) * n);
if (root)
atomic64_add(n, &root->blocks_count);
}
@@ -60,7 +60,7 @@ void nilfs_inode_sub_blocks(struct inode *inode, int n)
{
struct nilfs_root *root = NILFS_I(inode)->i_root;
- inode_sub_bytes(inode, (1 << inode->i_blkbits) * n);
+ inode_sub_bytes(inode, i_blocksize(inode) * n);
if (root)
atomic64_sub(n, &root->blocks_count);
}
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index d56d3a5bea88..98835ed6bef4 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -57,7 +57,7 @@ nilfs_mdt_insert_new_block(struct inode *inode, unsigned long block,
set_buffer_mapped(bh);
kaddr = kmap_atomic(bh->b_page);
- memset(kaddr + bh_offset(bh), 0, 1 << inode->i_blkbits);
+ memset(kaddr + bh_offset(bh), 0, i_blocksize(inode));
if (init_block)
init_block(inode, bh, kaddr);
flush_dcache_page(bh->b_page);
@@ -501,7 +501,7 @@ void nilfs_mdt_set_entry_size(struct inode *inode, unsigned int entry_size,
struct nilfs_mdt_info *mi = NILFS_MDT(inode);
mi->mi_entry_size = entry_size;
- mi->mi_entries_per_block = (1 << inode->i_blkbits) / entry_size;
+ mi->mi_entries_per_block = i_blocksize(inode) / entry_size;
mi->mi_first_entry_offset = DIV_ROUND_UP(header_size, entry_size);
}
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index bedcae2c28e6..7d18d62e8e07 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -723,7 +723,7 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode,
lock_page(page);
if (!page_has_buffers(page))
- create_empty_buffers(page, 1 << inode->i_blkbits, 0);
+ create_empty_buffers(page, i_blocksize(inode), 0);
unlock_page(page);
bh = head = page_buffers(page);
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 11556b7d93ec..88a31e9340a0 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -608,7 +608,7 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,
int ret = 0;
struct buffer_head *head, *bh, *wait[2], **wait_bh = wait;
unsigned int block_end, block_start;
- unsigned int bsize = 1 << inode->i_blkbits;
+ unsigned int bsize = i_blocksize(inode);
if (!page_has_buffers(page))
create_empty_buffers(page, bsize, 0);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 7025d8c27999..3e04279446e8 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2924,7 +2924,7 @@ again:
/*
* if target is down, we need to clear DLM_LOCK_RES_BLOCK_DIRTY for
* another try; otherwise, we are sure the MIGRATING state is there,
- * drop the unneded state which blocked threads trying to DIRTY
+ * drop the unneeded state which blocked threads trying to DIRTY
*/
spin_lock(&res->spinlock);
BUG_ON(!(res->state & DLM_LOCK_RES_BLOCK_DIRTY));
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 7b6a146327d7..8836305eb378 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -808,7 +808,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from,
/* We know that zero_from is block aligned */
for (block_start = zero_from; block_start < zero_to;
block_start = block_end) {
- block_end = block_start + (1 << inode->i_blkbits);
+ block_end = block_start + i_blocksize(inode);
/*
* block_start is block-aligned. Bump it by one to force
diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c
index 06af81f71e10..9b96b99539d6 100644
--- a/fs/orangefs/orangefs-utils.c
+++ b/fs/orangefs/orangefs-utils.c
@@ -306,7 +306,7 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass)
break;
case S_IFDIR:
inode->i_size = PAGE_SIZE;
- orangefs_inode->blksize = (1 << inode->i_blkbits);
+ orangefs_inode->blksize = i_blocksize(inode);
spin_lock(&inode->i_lock);
inode_set_bytes(inode, inode->i_size);
spin_unlock(&inode->i_lock);
@@ -316,7 +316,7 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass)
if (new) {
inode->i_size = (loff_t)strlen(new_op->
downcall.resp.getattr.link_target);
- orangefs_inode->blksize = (1 << inode->i_blkbits);
+ orangefs_inode->blksize = i_blocksize(inode);
ret = strscpy(orangefs_inode->link_target,
new_op->downcall.resp.getattr.link_target,
ORANGEFS_NAME_MAX);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b8f06273353e..1e1e182d571b 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -766,7 +766,7 @@ struct mm_struct *proc_mem_open(struct inode *inode, unsigned int mode)
if (!IS_ERR_OR_NULL(mm)) {
/* ensure this mm_struct can't be freed */
- atomic_inc(&mm->mm_count);
+ mmgrab(mm);
/* but do not pin its memory */
mmput(mm);
}
@@ -813,7 +813,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf,
return -ENOMEM;
copied = 0;
- if (!atomic_inc_not_zero(&mm->mm_users))
+ if (!mmget_not_zero(mm))
goto free;
/* Maybe we should limit FOLL_FORCE to actual ptrace users? */
@@ -921,7 +921,7 @@ static ssize_t environ_read(struct file *file, char __user *buf,
return -ENOMEM;
ret = 0;
- if (!atomic_inc_not_zero(&mm->mm_users))
+ if (!mmget_not_zero(mm))
goto free;
down_read(&mm->mmap_sem);
@@ -1064,7 +1064,7 @@ static int __set_oom_adj(struct file *file, int oom_adj, bool legacy)
if (p) {
if (atomic_read(&p->mm->mm_users) > 1) {
mm = p->mm;
- atomic_inc(&mm->mm_count);
+ mmgrab(mm);
}
task_unlock(p);
}
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 0b80ad87b4d6..ea9f3d1ae830 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -373,7 +373,10 @@ static void elf_kcore_store_hdr(char *bufp, int nphdr, int dataoff)
phdr->p_flags = PF_R|PF_W|PF_X;
phdr->p_offset = kc_vaddr_to_offset(m->addr) + dataoff;
phdr->p_vaddr = (size_t)m->addr;
- phdr->p_paddr = 0;
+ if (m->type == KCORE_RAM || m->type == KCORE_TEXT)
+ phdr->p_paddr = __pa(m->addr);
+ else
+ phdr->p_paddr = (elf_addr_t)-1;
phdr->p_filesz = phdr->p_memsz = m->size;
phdr->p_align = PAGE_SIZE;
}
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 8f96a49178d0..ee3efb229ef6 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -167,7 +167,7 @@ static void *m_start(struct seq_file *m, loff_t *ppos)
return ERR_PTR(-ESRCH);
mm = priv->mm;
- if (!mm || !atomic_inc_not_zero(&mm->mm_users))
+ if (!mm || !mmget_not_zero(mm))
return NULL;
down_read(&mm->mmap_sem);
@@ -1352,7 +1352,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
unsigned long end_vaddr;
int ret = 0, copied = 0;
- if (!mm || !atomic_inc_not_zero(&mm->mm_users))
+ if (!mm || !mmget_not_zero(mm))
goto out;
ret = -EINVAL;
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 37175621e890..1ef97cfcf422 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -219,7 +219,7 @@ static void *m_start(struct seq_file *m, loff_t *pos)
return ERR_PTR(-ESRCH);
mm = priv->mm;
- if (!mm || !atomic_inc_not_zero(&mm->mm_users))
+ if (!mm || !mmget_not_zero(mm))
return NULL;
down_read(&mm->mmap_sem);
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 2f8c5c9bdaf6..b396eb09f288 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -189,7 +189,7 @@ int reiserfs_commit_page(struct inode *inode, struct page *page,
int ret = 0;
th.t_trans_id = 0;
- blocksize = 1 << inode->i_blkbits;
+ blocksize = i_blocksize(inode);
if (logit) {
reiserfs_write_lock(s);
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index cfeae9b0a2b7..a6ab9d64ea1b 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -525,7 +525,7 @@ static int reiserfs_get_blocks_direct_io(struct inode *inode,
* referenced in convert_tail_for_hole() that may be called from
* reiserfs_get_block()
*/
- bh_result->b_size = (1 << inode->i_blkbits);
+ bh_result->b_size = i_blocksize(inode);
ret = reiserfs_get_block(inode, iblock, bh_result,
create | GET_BLOCK_NO_DANGLE);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index e314cb30a181..feabcde0290d 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1166,7 +1166,7 @@ static int reiserfs_parse_options(struct super_block *s,
if (!strcmp(arg, "auto")) {
/* From JFS code, to auto-get the size. */
*blocks =
- s->s_bdev->bd_inode->i_size >> s->
+ i_size_read(s->s_bdev->bd_inode) >> s->
s_blocksize_bits;
} else {
*blocks = simple_strtoul(arg, &p, 0);
diff --git a/fs/stat.c b/fs/stat.c
index a268b7f27adf..3f14d1ef0868 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -31,7 +31,7 @@ void generic_fillattr(struct inode *inode, struct kstat *stat)
stat->atime = inode->i_atime;
stat->mtime = inode->i_mtime;
stat->ctime = inode->i_ctime;
- stat->blksize = (1 << inode->i_blkbits);
+ stat->blksize = i_blocksize(inode);
stat->blocks = inode->i_blocks;
}
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 8ec6b3df0bc7..a8d8f71ef8bd 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1193,7 +1193,7 @@ int udf_setsize(struct inode *inode, loff_t newsize)
{
int err;
struct udf_inode_info *iinfo;
- int bsize = 1 << inode->i_blkbits;
+ int bsize = i_blocksize(inode);
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)))
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 625b7285a37b..3c421d06a18e 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1807,17 +1807,17 @@ static void init_once_userfaultfd_ctx(void *mem)
}
/**
- * userfaultfd_file_create - Creates an userfaultfd file pointer.
+ * userfaultfd_file_create - Creates a userfaultfd file pointer.
* @flags: Flags for the userfaultfd file.
*
- * This function creates an userfaultfd file pointer, w/out installing
+ * This function creates a userfaultfd file pointer, w/out installing
* it into the fd table. This is useful when the userfaultfd file is
* used during the initialization of data structures that require
* extra setup after the userfaultfd creation. So the userfaultfd
* creation is split into the file pointer creation phase, and the
* file descriptor installation phase. In this way races with
* userspace closing the newly installed file descriptor can be
- * avoided. Returns an userfaultfd file pointer, or a proper error
+ * avoided. Returns a userfaultfd file pointer, or a proper error
* pointer.
*/
static struct file *userfaultfd_file_create(int flags)
@@ -1847,7 +1847,7 @@ static struct file *userfaultfd_file_create(int flags)
ctx->released = false;
ctx->mm = current->mm;
/* prevent the mm struct to be freed */
- atomic_inc(&ctx->mm->mm_count);
+ mmgrab(ctx->mm);
file = anon_inode_getfile("[userfaultfd]", &userfaultfd_fops, ctx,
O_RDWR | (flags & UFFD_SHARED_FCNTL_FLAGS));
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 1ff9df7a3ce8..bf65a9ea8642 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -103,9 +103,9 @@ xfs_finish_page_writeback(
unsigned int bsize;
ASSERT(bvec->bv_offset < PAGE_SIZE);
- ASSERT((bvec->bv_offset & ((1 << inode->i_blkbits) - 1)) == 0);
+ ASSERT((bvec->bv_offset & (i_blocksize(inode) - 1)) == 0);
ASSERT(end < PAGE_SIZE);
- ASSERT((bvec->bv_len & ((1 << inode->i_blkbits) - 1)) == 0);
+ ASSERT((bvec->bv_len & (i_blocksize(inode) - 1)) == 0);
bh = head = page_buffers(bvec->bv_page);
@@ -349,7 +349,7 @@ xfs_map_blocks(
{
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
- ssize_t count = 1 << inode->i_blkbits;
+ ssize_t count = i_blocksize(inode);
xfs_fileoff_t offset_fsb, end_fsb;
int error = 0;
int bmapi_flags = XFS_BMAPI_ENTIRE;
@@ -758,7 +758,7 @@ xfs_aops_discard_page(
break;
}
next_buffer:
- offset += 1 << inode->i_blkbits;
+ offset += i_blocksize(inode);
} while ((bh = bh->b_this_page) != head);
@@ -846,7 +846,7 @@ xfs_writepage_map(
LIST_HEAD(submit_list);
struct xfs_ioend *ioend, *next;
struct buffer_head *bh, *head;
- ssize_t len = 1 << inode->i_blkbits;
+ ssize_t len = i_blocksize(inode);
int error = 0;
int count = 0;
int uptodate = 1;
@@ -1210,7 +1210,7 @@ xfs_map_trim_size(
offset + mapping_size >= i_size_read(inode)) {
/* limit mapping to block that spans EOF */
mapping_size = roundup_64(i_size_read(inode) - offset,
- 1 << inode->i_blkbits);
+ i_blocksize(inode));
}
if (mapping_size > LONG_MAX)
mapping_size = LONG_MAX;
@@ -1241,7 +1241,7 @@ xfs_get_blocks(
return -EIO;
offset = (xfs_off_t)iblock << inode->i_blkbits;
- ASSERT(bh_result->b_size >= (1 << inode->i_blkbits));
+ ASSERT(bh_result->b_size >= i_blocksize(inode));
size = bh_result->b_size;
if (offset >= i_size_read(inode))
@@ -1389,7 +1389,7 @@ xfs_vm_set_page_dirty(
if (offset < end_offset)
set_buffer_dirty(bh);
bh = bh->b_this_page;
- offset += 1 << inode->i_blkbits;
+ offset += i_blocksize(inode);
} while (bh != head);
}
/*
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index a50eca676670..35703a801372 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -754,7 +754,7 @@ xfs_file_fallocate(
if (error)
goto out_unlock;
} else if (mode & FALLOC_FL_COLLAPSE_RANGE) {
- unsigned blksize_mask = (1 << inode->i_blkbits) - 1;
+ unsigned int blksize_mask = i_blocksize(inode) - 1;
if (offset & blksize_mask || len & blksize_mask) {
error = -EINVAL;
@@ -776,7 +776,7 @@ xfs_file_fallocate(
if (error)
goto out_unlock;
} else if (mode & FALLOC_FL_INSERT_RANGE) {
- unsigned blksize_mask = (1 << inode->i_blkbits) - 1;
+ unsigned int blksize_mask = i_blocksize(inode) - 1;
new_size = i_size_read(inode) + len;
if (offset & blksize_mask || len & blksize_mask) {