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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-31 09:25:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-31 09:25:15 -0700
commit59fc453b21f767f2fb0ff4dc0a947e9b9c9e6d14 (patch)
tree42029c432982ebabb462bd16a413a033125fd793 /fs
parent310c7585e8300ddc46211df0757c11e4299ec482 (diff)
parent2ebe82288b3278b8e538ee8adce4142dbdedd8f6 (diff)
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - the rest of MM - lib/bitmap updates - hfs updates - fatfs updates - various other misc things * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits) mm/gup.c: fix __get_user_pages_fast() comment mm: Fix warning in insert_pfn() memory-hotplug.rst: add some details about locking internals powerpc/powernv: hold device_hotplug_lock when calling memtrace_offline_pages() powerpc/powernv: hold device_hotplug_lock when calling device_online() mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock mm/memory_hotplug: make add_memory() take the device_hotplug_lock mm/memory_hotplug: make remove_memory() take the device_hotplug_lock mm/memblock.c: warn if zero alignment was requested memblock: stop using implicit alignment to SMP_CACHE_BYTES docs/boot-time-mm: remove bootmem documentation mm: remove include/linux/bootmem.h memblock: replace BOOTMEM_ALLOC_* with MEMBLOCK variants mm: remove nobootmem memblock: rename __free_pages_bootmem to memblock_free_pages memblock: rename free_all_bootmem to memblock_free_all memblock: replace free_bootmem_late with memblock_free_late memblock: replace free_bootmem{_node} with memblock_free mm: nobootmem: remove bootmem allocation APIs memblock: replace alloc_bootmem with memblock_alloc ...
Diffstat (limited to 'fs')
-rw-r--r--fs/dcache.c2
-rw-r--r--fs/fat/dir.c6
-rw-r--r--fs/fat/fat.h4
-rw-r--r--fs/fat/file.c17
-rw-r--r--fs/fat/inode.c9
-rw-r--r--fs/fat/misc.c91
-rw-r--r--fs/fat/namei_msdos.c17
-rw-r--r--fs/fat/namei_vfat.c15
-rw-r--r--fs/hfs/brec.c5
-rw-r--r--fs/hfs/btree.c41
-rw-r--r--fs/hfs/btree.h1
-rw-r--r--fs/hfs/catalog.c16
-rw-r--r--fs/hfs/extent.c10
-rw-r--r--fs/hfs/inode.c2
-rw-r--r--fs/hfsplus/attributes.c10
-rw-r--r--fs/hfsplus/brec.c5
-rw-r--r--fs/hfsplus/btree.c44
-rw-r--r--fs/hfsplus/catalog.c24
-rw-r--r--fs/hfsplus/extents.c8
-rw-r--r--fs/hfsplus/hfsplus_fs.h2
-rw-r--r--fs/hfsplus/inode.c1
-rw-r--r--fs/inode.c2
-rw-r--r--fs/namespace.c2
-rw-r--r--fs/proc/kcore.c2
-rw-r--r--fs/proc/page.c2
-rw-r--r--fs/proc/vmcore.c4
-rw-r--r--fs/pstore/Kconfig1
-rw-r--r--fs/reiserfs/Makefile9
-rw-r--r--fs/reiserfs/xattr.c7
29 files changed, 279 insertions, 80 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index c2e443fb76ae..2593153471cf 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -26,7 +26,7 @@
#include <linux/export.h>
#include <linux/security.h>
#include <linux/seqlock.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/bit_spinlock.h>
#include <linux/rculist_bl.h>
#include <linux/list_lru.h>
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 7f5f3699fc6c..c8366cb8eccd 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -369,7 +369,9 @@ static int fat_parse_short(struct super_block *sb,
}
memcpy(work, de->name, sizeof(work));
- /* see namei.c, msdos_format_name */
+ /* For an explanation of the special treatment of 0x05 in
+ * filenames, see msdos_format_name in namei_msdos.c
+ */
if (work[0] == 0x05)
work[0] = 0xE5;
@@ -1071,7 +1073,7 @@ int fat_remove_entries(struct inode *dir, struct fat_slot_info *sinfo)
}
}
- dir->i_mtime = dir->i_atime = current_time(dir);
+ fat_truncate_time(dir, NULL, S_ATIME|S_MTIME);
if (IS_DIRSYNC(dir))
(void)fat_sync_inode(dir);
else
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 9d7d2d5da28b..4e1b2f6df5e6 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -416,6 +416,10 @@ extern void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 __time, __le16 __date, u8 time_cs);
extern void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 *time, __le16 *date, u8 *time_cs);
+extern int fat_truncate_time(struct inode *inode, struct timespec64 *now,
+ int flags);
+extern int fat_update_time(struct inode *inode, struct timespec64 *now,
+ int flags);
extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs);
int fat_cache_init(void);
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 4f3d72fb1e60..13935ee99e1e 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -227,7 +227,7 @@ static int fat_cont_expand(struct inode *inode, loff_t size)
if (err)
goto out;
- inode->i_ctime = inode->i_mtime = current_time(inode);
+ fat_truncate_time(inode, NULL, S_CTIME|S_MTIME);
mark_inode_dirty(inode);
if (IS_SYNC(inode)) {
int err2;
@@ -330,7 +330,7 @@ static int fat_free(struct inode *inode, int skip)
MSDOS_I(inode)->i_logstart = 0;
}
MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
- inode->i_ctime = inode->i_mtime = current_time(inode);
+ fat_truncate_time(inode, NULL, S_CTIME|S_MTIME);
if (wait) {
err = fat_sync_inode(inode);
if (err) {
@@ -542,6 +542,18 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
up_write(&MSDOS_I(inode)->truncate_lock);
}
+ /*
+ * setattr_copy can't truncate these appropriately, so we'll
+ * copy them ourselves
+ */
+ if (attr->ia_valid & ATTR_ATIME)
+ fat_truncate_time(inode, &attr->ia_atime, S_ATIME);
+ if (attr->ia_valid & ATTR_CTIME)
+ fat_truncate_time(inode, &attr->ia_ctime, S_CTIME);
+ if (attr->ia_valid & ATTR_MTIME)
+ fat_truncate_time(inode, &attr->ia_mtime, S_MTIME);
+ attr->ia_valid &= ~(ATTR_ATIME|ATTR_CTIME|ATTR_MTIME);
+
setattr_copy(inode, attr);
mark_inode_dirty(inode);
out:
@@ -552,4 +564,5 @@ EXPORT_SYMBOL_GPL(fat_setattr);
const struct inode_operations fat_file_inode_operations = {
.setattr = fat_setattr,
.getattr = fat_getattr,
+ .update_time = fat_update_time,
};
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index d6b81e31f9f5..c0b5b5c3373b 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -244,7 +244,7 @@ static int fat_write_end(struct file *file, struct address_space *mapping,
if (err < len)
fat_write_failed(mapping, pos + len);
if (!(err < 0) && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) {
- inode->i_mtime = inode->i_ctime = current_time(inode);
+ fat_truncate_time(inode, NULL, S_CTIME|S_MTIME);
MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
mark_inode_dirty(inode);
}
@@ -564,7 +564,7 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
de->cdate, de->ctime_cs);
fat_time_fat2unix(sbi, &inode->i_atime, 0, de->adate, 0);
} else
- inode->i_ctime = inode->i_atime = inode->i_mtime;
+ fat_truncate_time(inode, &inode->i_mtime, S_ATIME|S_CTIME);
return 0;
}
@@ -1626,6 +1626,11 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
sb->s_magic = MSDOS_SUPER_MAGIC;
sb->s_op = &fat_sops;
sb->s_export_op = &fat_export_ops;
+ /*
+ * fat timestamps are complex and truncated by fat itself, so
+ * we set 1 here to be fast
+ */
+ sb->s_time_gran = 1;
mutex_init(&sbi->nfs_build_inode_lock);
ratelimit_state_init(&sbi->ratelimit, DEFAULT_RATELIMIT_INTERVAL,
DEFAULT_RATELIMIT_BURST);
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index 573836dcaefc..fce0a76f3f1e 100644
--- a/fs/fat/misc.c
+++ b/fs/fat/misc.c
@@ -7,6 +7,7 @@
*/
#include "fat.h"
+#include <linux/iversion.h>
/*
* fat_fs_error reports a file system problem that might indicate fa data
@@ -185,6 +186,13 @@ static long days_in_year[] = {
0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 0, 0, 0,
};
+static inline int fat_tz_offset(struct msdos_sb_info *sbi)
+{
+ return (sbi->options.tz_set ?
+ -sbi->options.time_offset :
+ sys_tz.tz_minuteswest) * SECS_PER_MIN;
+}
+
/* Convert a FAT time/date pair to a UNIX date (seconds since 1 1 70). */
void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 __time, __le16 __date, u8 time_cs)
@@ -210,10 +218,7 @@ void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec64 *ts,
+ days_in_year[month] + day
+ DAYS_DELTA) * SECS_PER_DAY;
- if (!sbi->options.tz_set)
- second += sys_tz.tz_minuteswest * SECS_PER_MIN;
- else
- second -= sbi->options.time_offset * SECS_PER_MIN;
+ second += fat_tz_offset(sbi);
if (time_cs) {
ts->tv_sec = second + (time_cs / 100);
@@ -229,9 +234,7 @@ void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 *time, __le16 *date, u8 *time_cs)
{
struct tm tm;
- time64_to_tm(ts->tv_sec,
- (sbi->options.tz_set ? sbi->options.time_offset :
- -sys_tz.tz_minuteswest) * SECS_PER_MIN, &tm);
+ time64_to_tm(ts->tv_sec, -fat_tz_offset(sbi), &tm);
/* FAT can only support year between 1980 to 2107 */
if (tm.tm_year < 1980 - 1900) {
@@ -263,6 +266,80 @@ void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec64 *ts,
}
EXPORT_SYMBOL_GPL(fat_time_unix2fat);
+static inline struct timespec64 fat_timespec64_trunc_2secs(struct timespec64 ts)
+{
+ return (struct timespec64){ ts.tv_sec & ~1ULL, 0 };
+}
+/*
+ * truncate the various times with appropriate granularity:
+ * root inode:
+ * all times always 0
+ * all other inodes:
+ * mtime - 2 seconds
+ * ctime
+ * msdos - 2 seconds
+ * vfat - 10 milliseconds
+ * atime - 24 hours (00:00:00 in local timezone)
+ */
+int fat_truncate_time(struct inode *inode, struct timespec64 *now, int flags)
+{
+ struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
+ struct timespec64 ts;
+
+ if (inode->i_ino == MSDOS_ROOT_INO)
+ return 0;
+
+ if (now == NULL) {
+ now = &ts;
+ ts = current_time(inode);
+ }
+
+ if (flags & S_ATIME) {
+ /* to localtime */
+ time64_t seconds = now->tv_sec - fat_tz_offset(sbi);
+ s32 remainder;
+
+ div_s64_rem(seconds, SECS_PER_DAY, &remainder);
+ /* to day boundary, and back to unix time */
+ seconds = seconds + fat_tz_offset(sbi) - remainder;
+
+ inode->i_atime = (struct timespec64){ seconds, 0 };
+ }
+ if (flags & S_CTIME) {
+ if (sbi->options.isvfat)
+ inode->i_ctime = timespec64_trunc(*now, 10000000);
+ else
+ inode->i_ctime = fat_timespec64_trunc_2secs(*now);
+ }
+ if (flags & S_MTIME)
+ inode->i_mtime = fat_timespec64_trunc_2secs(*now);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(fat_truncate_time);
+
+int fat_update_time(struct inode *inode, struct timespec64 *now, int flags)
+{
+ int iflags = I_DIRTY_TIME;
+ bool dirty = false;
+
+ if (inode->i_ino == MSDOS_ROOT_INO)
+ return 0;
+
+ fat_truncate_time(inode, now, flags);
+ if (flags & S_VERSION)
+ dirty = inode_maybe_inc_iversion(inode, false);
+ if ((flags & (S_ATIME | S_CTIME | S_MTIME)) &&
+ !(inode->i_sb->s_flags & SB_LAZYTIME))
+ dirty = true;
+
+ if (dirty)
+ iflags |= I_DIRTY_SYNC;
+ __mark_inode_dirty(inode, iflags);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(fat_update_time);
+
int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs)
{
int i, err = 0;
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index efb8c40c9d27..f2cd365a4e86 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -250,7 +250,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name,
if (err)
return err;
- dir->i_ctime = dir->i_mtime = *ts;
+ fat_truncate_time(dir, ts, S_CTIME|S_MTIME);
if (IS_DIRSYNC(dir))
(void)fat_sync_inode(dir);
else
@@ -294,7 +294,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode,
err = PTR_ERR(inode);
goto out;
}
- inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+ fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
d_instantiate(dentry, inode);
@@ -327,7 +327,7 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
drop_nlink(dir);
clear_nlink(inode);
- inode->i_ctime = current_time(inode);
+ fat_truncate_time(inode, NULL, S_CTIME);
fat_detach(inode);
out:
mutex_unlock(&MSDOS_SB(sb)->s_lock);
@@ -380,7 +380,7 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
goto out;
}
set_nlink(inode, 2);
- inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+ fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
d_instantiate(dentry, inode);
@@ -413,7 +413,7 @@ static int msdos_unlink(struct inode *dir, struct dentry *dentry)
if (err)
goto out;
clear_nlink(inode);
- inode->i_ctime = current_time(inode);
+ fat_truncate_time(inode, NULL, S_CTIME);
fat_detach(inode);
out:
mutex_unlock(&MSDOS_SB(sb)->s_lock);
@@ -478,7 +478,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
mark_inode_dirty(old_inode);
inode_inc_iversion(old_dir);
- old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir);
+ fat_truncate_time(old_dir, NULL, S_CTIME|S_MTIME);
if (IS_DIRSYNC(old_dir))
(void)fat_sync_inode(old_dir);
else
@@ -538,7 +538,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
if (err)
goto error_dotdot;
inode_inc_iversion(old_dir);
- old_dir->i_ctime = old_dir->i_mtime = ts;
+ fat_truncate_time(old_dir, &ts, S_CTIME|S_MTIME);
if (IS_DIRSYNC(old_dir))
(void)fat_sync_inode(old_dir);
else
@@ -548,7 +548,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
drop_nlink(new_inode);
if (is_dir)
drop_nlink(new_inode);
- new_inode->i_ctime = ts;
+ fat_truncate_time(new_inode, &ts, S_CTIME);
}
out:
brelse(sinfo.bh);
@@ -637,6 +637,7 @@ static const struct inode_operations msdos_dir_inode_operations = {
.rename = msdos_rename,
.setattr = fat_setattr,
.getattr = fat_getattr,
+ .update_time = fat_update_time,
};
static void setup(struct super_block *sb)
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index 82cd1e69cbdf..996c8c25e9c6 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -678,7 +678,7 @@ static int vfat_add_entry(struct inode *dir, const struct qstr *qname,
goto cleanup;
/* update timestamp */
- dir->i_ctime = dir->i_mtime = dir->i_atime = *ts;
+ fat_truncate_time(dir, ts, S_CTIME|S_MTIME);
if (IS_DIRSYNC(dir))
(void)fat_sync_inode(dir);
else
@@ -779,7 +779,7 @@ static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
goto out;
}
inode_inc_iversion(inode);
- inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+ fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
d_instantiate(dentry, inode);
@@ -810,7 +810,7 @@ static int vfat_rmdir(struct inode *dir, struct dentry *dentry)
drop_nlink(dir);
clear_nlink(inode);
- inode->i_mtime = inode->i_atime = current_time(inode);
+ fat_truncate_time(inode, NULL, S_ATIME|S_MTIME);
fat_detach(inode);
vfat_d_version_set(dentry, inode_query_iversion(dir));
out:
@@ -836,7 +836,7 @@ static int vfat_unlink(struct inode *dir, struct dentry *dentry)
if (err)
goto out;
clear_nlink(inode);
- inode->i_mtime = inode->i_atime = current_time(inode);
+ fat_truncate_time(inode, NULL, S_ATIME|S_MTIME);
fat_detach(inode);
vfat_d_version_set(dentry, inode_query_iversion(dir));
out:
@@ -876,7 +876,7 @@ static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
}
inode_inc_iversion(inode);
set_nlink(inode, 2);
- inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+ fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
d_instantiate(dentry, inode);
@@ -969,7 +969,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
if (err)
goto error_dotdot;
inode_inc_iversion(old_dir);
- old_dir->i_ctime = old_dir->i_mtime = ts;
+ fat_truncate_time(old_dir, &ts, S_CTIME|S_MTIME);
if (IS_DIRSYNC(old_dir))
(void)fat_sync_inode(old_dir);
else
@@ -979,7 +979,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
drop_nlink(new_inode);
if (is_dir)
drop_nlink(new_inode);
- new_inode->i_ctime = ts;
+ fat_truncate_time(new_inode, &ts, S_CTIME);
}
out:
brelse(sinfo.bh);
@@ -1032,6 +1032,7 @@ static const struct inode_operations vfat_dir_inode_operations = {
.rename = vfat_rename,
.setattr = fat_setattr,
.getattr = fat_getattr,
+ .update_time = fat_update_time,
};
static void setup(struct super_block *sb)
diff --git a/fs/hfs/brec.c b/fs/hfs/brec.c
index 9a8772465a90..896396554bcc 100644
--- a/fs/hfs/brec.c
+++ b/fs/hfs/brec.c
@@ -425,6 +425,10 @@ skip:
if (new_node) {
__be32 cnid;
+ if (!new_node->parent) {
+ hfs_btree_inc_height(tree);
+ new_node->parent = tree->root;
+ }
fd->bnode = hfs_bnode_find(tree, new_node->parent);
/* create index key and entry */
hfs_bnode_read_key(new_node, fd->search_key, 14);
@@ -441,6 +445,7 @@ skip:
/* restore search_key */
hfs_bnode_read_key(node, fd->search_key, 14);
}
+ new_node = NULL;
}
if (!rec && node->parent)
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 374b5688e29e..98b96ffb95ed 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -220,25 +220,17 @@ static struct hfs_bnode *hfs_bmap_new_bmap(struct hfs_bnode *prev, u32 idx)
return node;
}
-struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
+/* Make sure @tree has enough space for the @rsvd_nodes */
+int hfs_bmap_reserve(struct hfs_btree *tree, int rsvd_nodes)
{
- struct hfs_bnode *node, *next_node;
- struct page **pagep;
- u32 nidx, idx;
- unsigned off;
- u16 off16;
- u16 len;
- u8 *data, byte, m;
- int i;
-
- while (!tree->free_nodes) {
- struct inode *inode = tree->inode;
- u32 count;
- int res;
+ struct inode *inode = tree->inode;
+ u32 count;
+ int res;
+ while (tree->free_nodes < rsvd_nodes) {
res = hfs_extend_file(inode);
if (res)
- return ERR_PTR(res);
+ return res;
HFS_I(inode)->phys_size = inode->i_size =
(loff_t)HFS_I(inode)->alloc_blocks *
HFS_SB(tree->sb)->alloc_blksz;
@@ -246,9 +238,26 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
tree->sb->s_blocksize_bits;
inode_set_bytes(inode, inode->i_size);
count = inode->i_size >> tree->node_size_shift;
- tree->free_nodes = count - tree->node_count;
+ tree->free_nodes += count - tree->node_count;
tree->node_count = count;
}
+ return 0;
+}
+
+struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
+{
+ struct hfs_bnode *node, *next_node;
+ struct page **pagep;
+ u32 nidx, idx;
+ unsigned off;
+ u16 off16;
+ u16 len;
+ u8 *data, byte, m;
+ int i, res;
+
+ res = hfs_bmap_reserve(tree, 1);
+ if (res)
+ return ERR_PTR(res);
nidx = 0;
node = hfs_bnode_find(tree, nidx);
diff --git a/fs/hfs/btree.h b/fs/hfs/btree.h
index c8b252dbb26c..dcc2aab1b2c4 100644
--- a/fs/hfs/btree.h
+++ b/fs/hfs/btree.h
@@ -82,6 +82,7 @@ struct hfs_find_data {
extern struct hfs_btree *hfs_btree_open(struct super_block *, u32, btree_keycmp);
extern void hfs_btree_close(struct hfs_btree *);
extern void hfs_btree_write(struct hfs_btree *);
+extern int hfs_bmap_reserve(struct hfs_btree *, int);
extern struct hfs_bnode * hfs_bmap_alloc(struct hfs_btree *);
extern void hfs_bmap_free(struct hfs_bnode *node);
diff --git a/fs/hfs/catalog.c b/fs/hfs/catalog.c
index 8a66405b0f8b..d365bf0b8c77 100644
--- a/fs/hfs/catalog.c
+++ b/fs/hfs/catalog.c
@@ -97,6 +97,14 @@ int hfs_cat_create(u32 cnid, struct inode *dir, const struct qstr *str, struct i
if (err)
return err;
+ /*
+ * Fail early and avoid ENOSPC during the btree operations. We may
+ * have to split the root node at most once.
+ */
+ err = hfs_bmap_reserve(fd.tree, 2 * fd.tree->depth);
+ if (err)
+ goto err2;
+
hfs_cat_build_key(sb, fd.search_key, cnid, NULL);
entry_size = hfs_cat_build_thread(sb, &entry, S_ISDIR(inode->i_mode) ?
HFS_CDR_THD : HFS_CDR_FTH,
@@ -295,6 +303,14 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, const struct qstr *src_name,
return err;
dst_fd = src_fd;
+ /*
+ * Fail early and avoid ENOSPC during the btree operations. We may
+ * have to split the root node at most once.
+ */
+ err = hfs_bmap_reserve(src_fd.tree, 2 * src_fd.tree->depth);
+ if (err)
+ goto out;
+
/* find the old dir entry and read the data */
hfs_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name);
err = hfs_brec_find(&src_fd);
diff --git a/fs/hfs/extent.c b/fs/hfs/extent.c
index 5d0182654580..263d5028d9d1 100644
--- a/fs/hfs/extent.c
+++ b/fs/hfs/extent.c
@@ -117,6 +117,10 @@ static int __hfs_ext_write_extent(struct inode *inode, struct hfs_find_data *fd)
if (HFS_I(inode)->flags & HFS_FLG_EXT_NEW) {
if (res != -ENOENT)
return res;
+ /* Fail early and avoid ENOSPC during the btree operation */
+ res = hfs_bmap_reserve(fd->tree, fd->tree->depth + 1);
+ if (res)
+ return res;
hfs_brec_insert(fd, HFS_I(inode)->cached_extents, sizeof(hfs_extent_rec));
HFS_I(inode)->flags &= ~(HFS_FLG_EXT_DIRTY|HFS_FLG_EXT_NEW);
} else {
@@ -300,7 +304,7 @@ int hfs_free_fork(struct super_block *sb, struct hfs_cat_file *file, int type)
return 0;
blocks = 0;
- for (i = 0; i < 3; extent++, i++)
+ for (i = 0; i < 3; i++)
blocks += be16_to_cpu(extent[i].count);
res = hfs_free_extents(sb, extent, blocks, blocks);
@@ -341,7 +345,9 @@ int hfs_get_block(struct inode *inode, sector_t block,
ablock = (u32)block / HFS_SB(sb)->fs_div;
if (block >= HFS_I(inode)->fs_blocks) {
- if (block > HFS_I(inode)->fs_blocks || !create)
+ if (!create)
+ return 0;
+ if (block > HFS_I(inode)->fs_blocks)
return -EIO;
if (ablock >= HFS_I(inode)->alloc_blocks) {
res = hfs_extend_file(inode);
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index a2dfa1b2a89c..da243c84e93b 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -642,6 +642,8 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
truncate_setsize(inode, attr->ia_size);
hfs_file_truncate(inode);
+ inode->i_atime = inode->i_mtime = inode->i_ctime =
+ current_time(inode);
}
setattr_copy(inode, attr);
diff --git a/fs/hfsplus/attributes.c b/fs/hfsplus/attributes.c
index 2bab6b3cdba4..e6d554476db4 100644
--- a/fs/hfsplus/attributes.c
+++ b/fs/hfsplus/attributes.c
@@ -217,6 +217,11 @@ int hfsplus_create_attr(struct inode *inode,
if (err)
goto failed_init_create_attr;
+ /* Fail early and avoid ENOSPC during the btree operation */
+ err = hfs_bmap_reserve(fd.tree, fd.tree->depth + 1);
+ if (err)
+ goto failed_create_attr;
+
if (name) {
err = hfsplus_attr_build_key(sb, fd.search_key,
inode->i_ino, name);
@@ -313,6 +318,11 @@ int hfsplus_delete_attr(struct inode *inode, const char *name)
if (err)
return err;
+ /* Fail early and avoid ENOSPC during the btree operation */
+ err = hfs_bmap_reserve(fd.tree, fd.tree->depth);
+ if (err)
+ goto out;
+
if (name) {
err = hfsplus_attr_build_key(sb, fd.search_key,
inode->i_ino, name);
diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c
index ed8eacb34452..1918544a7871 100644
--- a/fs/hfsplus/brec.c
+++ b/fs/hfsplus/brec.c
@@ -429,6 +429,10 @@ skip:
if (new_node) {
__be32 cnid;
+ if (!new_node->parent) {
+ hfs_btree_inc_height(tree);
+ new_node->parent = tree->root;
+ }
fd->bnode = hfs_bnode_find(tree, new_node->parent);
/* create index key and entry */
hfs_bnode_read_key(new_node, fd->search_key, 14);
@@ -445,6 +449,7 @@ skip:
/* restore search_key */
hfs_bnode_read_key(node, fd->search_key, 14);
}
+ new_node = NULL;
}
if (!rec && node->parent)
diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index de14b2b6881b..236efe51eca6 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -342,26 +342,21 @@ static struct hfs_bnode *hfs_bmap_new_bmap(struct hfs_bnode *prev, u32 idx)
return node;
}
-struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
+/* Make sure @tree has enough space for the @rsvd_nodes */
+int hfs_bmap_reserve(struct hfs_btree *tree, int rsvd_nodes)
{
- struct hfs_bnode *node, *next_node;
- struct page **pagep;
- u32 nidx, idx;
- unsigned off;
- u16 off16;
- u16 len;
- u8 *data, byte, m;
- int i;
+ struct inode *inode = tree->inode;
+ struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
+ u32 count;
+ int res;
- while (!tree->free_nodes) {
- struct inode *inode = tree->inode;
- struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
- u32 count;
- int res;
+ if (rsvd_nodes <= 0)
+ return 0;
+ while (tree->free_nodes < rsvd_nodes) {
res = hfsplus_file_extend(inode, hfs_bnode_need_zeroout(tree));
if (res)
- return ERR_PTR(res);
+ return res;
hip->phys_size = inode->i_size =
(loff_t)hip->alloc_blocks <<
HFSPLUS_SB(tree->sb)->alloc_blksz_shift;
@@ -369,9 +364,26 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
hip->alloc_blocks << HFSPLUS_SB(tree->sb)->fs_shift;
inode_set_bytes(inode, inode->i_size);
count = inode->i_size >> tree->node_size_shift;
- tree->free_nodes = count - tree->node_count;
+ tree->free_nodes += count - tree->node_count;
tree->node_count = count;
}
+ return 0;
+}
+
+struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
+{
+ struct hfs_bnode *node, *next_node;
+ struct page **pagep;
+ u32 nidx, idx;
+ unsigned off;
+ u16 off16;
+ u16 len;
+ u8 *data, byte, m;
+ int i, res;
+
+ res = hfs_bmap_reserve(tree, 1);
+ if (res)
+ return ERR_PTR(res);
nidx = 0;
node = hfs_bnode_find(tree, nidx);
diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c
index a196369ba779..35472cba750e 100644
--- a/fs/hfsplus/catalog.c
+++ b/fs/hfsplus/catalog.c
@@ -265,6 +265,14 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir,
if (err)
return err;
+ /*
+ * Fail early and avoid ENOSPC during the btree operations. We may
+ * have to split the root node at most once.
+ */
+ err = hfs_bmap_reserve(fd.tree, 2 * fd.tree->depth);
+ if (err)
+ goto err2;
+
hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid);
entry_size = hfsplus_fill_cat_thread(sb, &entry,
S_ISDIR(inode->i_mode) ?
@@ -333,6 +341,14 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, const struct qstr *str)
if (err)
return err;
+ /*
+ * Fail early and avoid ENOSPC during the btree operations. We may
+ * have to split the root node at most once.
+ */
+ err = hfs_bmap_reserve(fd.tree, 2 * (int)fd.tree->depth - 2);
+ if (err)
+ goto out;
+
if (!str) {
int len;
@@ -433,6 +449,14 @@ int hfsplus_rename_cat(u32 cnid,
return err;
dst_fd = src_fd;
+ /*
+ * Fail early and avoid ENOSPC during the btree operations. We may
+ * have to split the root node at most twice.
+ */
+ err = hfs_bmap_reserve(src_fd.tree, 4 * (int)src_fd.tree->depth - 1);
+ if (err)
+ goto out;
+
/* find the old dir entry and read the data */
err = hfsplus_cat_build_key(sb, src_fd.search_key,
src_dir->i_ino, src_name);
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 8e0f59767694..a930ddd15681 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -100,6 +100,10 @@ static int __hfsplus_ext_write_extent(struct inode *inode,
if (hip->extent_state & HFSPLUS_EXT_NEW) {
if (res != -ENOENT)
return res;
+ /* Fail early and avoid ENOSPC during the btree operation */
+ res = hfs_bmap_reserve(fd->tree, fd->tree->depth + 1);
+ if (res)
+ return res;
hfs_brec_insert(fd, hip->cached_extents,
sizeof(hfsplus_extent_rec));
hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);
@@ -233,7 +237,9 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock,
ablock = iblock >> sbi->fs_shift;
if (iblock >= hip->fs_blocks) {
- if (iblock > hip->fs_blocks || !create)
+ if (!create)
+ return 0;
+ if (iblock > hip->fs_blocks)
return -EIO;
if (ablock >= hip->alloc_blocks) {
res = hfsplus_file_extend(inode, false);
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index 8e039435958a..dd7ad9f13e3a 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -311,6 +311,7 @@ static inline unsigned short hfsplus_min_io_size(struct super_block *sb)
#define hfs_btree_open hfsplus_btree_open
#define hfs_btree_close hfsplus_btree_close
#define hfs_btree_write hfsplus_btree_write
+#define hfs_bmap_reserve hfsplus_bmap_reserve
#define hfs_bmap_alloc hfsplus_bmap_alloc
#define hfs_bmap_free hfsplus_bmap_free
#define hfs_bnode_read hfsplus_bnode_read
@@ -395,6 +396,7 @@ u32 hfsplus_calc_btree_clump_size(u32 block_size, u32 node_size, u64 sectors,
struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id);
void hfs_btree_close(struct hfs_btree *tree);
int hfs_btree_write(struct hfs_btree *tree);
+int hfs_bmap_reserve(struct hfs_btree *tree, int rsvd_nodes);
struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree);
void hfs_bmap_free(struct hfs_bnode *node);
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 8e9427a42b81..d7ab9d8c4b67 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -261,6 +261,7 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
}
truncate_setsize(inode, attr->ia_size);
hfsplus_file_truncate(inode);
+ inode->i_mtime = inode->i_ctime = current_time(inode);
}
setattr_copy(inode, attr);
diff --git a/fs/inode.c b/fs/inode.c
index 9b808986d440..9e198f00b64c 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -10,7 +10,7 @@
#include <linux/swap.h>
#include <linux/security.h>
#include <linux/cdev.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/fsnotify.h>
#include <linux/mount.h>
#include <linux/posix_acl.h>
diff --git a/fs/namespace.c b/fs/namespace.c
index d86830c86ce8..98d27da43304 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -23,7 +23,7 @@
#include <linux/uaccess.h>
#include <linux/proc_ns.h>
#include <linux/magic.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/task_work.h>
#include <linux/sched/task.h>
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index d297fe4472a9..bbcc185062bb 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -22,7 +22,7 @@
#include <linux/vmalloc.h>
#include <linux/highmem.h>
#include <linux/printk.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 792c78a49174..6c517b11acf8 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/compiler.h>
#include <linux/fs.h>
#include <linux/init.h>
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 91ae16fbd7d5..3fe90443c1bb 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -16,7 +16,7 @@
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/printk.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/init.h>
#include <linux/crash_dump.h>
#include <linux/list.h>
@@ -423,7 +423,7 @@ static vm_fault_t mmap_vmcore_fault(struct vm_fault *vmf)
if (rc < 0) {
unlock_page(page);
put_page(page);
- return (rc == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
+ return vmf_error(rc);
}
SetPageUptodate(page);
}
diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig
index 503086f7f7c1..0d19d191ae70 100644
--- a/fs/pstore/Kconfig
+++ b/fs/pstore/Kconfig
@@ -141,7 +141,6 @@ config PSTORE_RAM
tristate "Log panic/oops to a RAM buffer"
depends on PSTORE
depends on HAS_IOMEM
- depends on HAVE_MEMBLOCK
select REED_SOLOMON
select REED_SOLOMON_ENC8
select REED_SOLOMON_DEC8
diff --git a/fs/reiserfs/Makefile b/fs/reiserfs/Makefile
index a39a562c1c10..bd29c58ccbd8 100644
--- a/fs/reiserfs/Makefile
+++ b/fs/reiserfs/Makefile
@@ -26,14 +26,5 @@ ifeq ($(CONFIG_REISERFS_FS_POSIX_ACL),y)
reiserfs-objs += xattr_acl.o
endif
-# gcc -O2 (the kernel default) is overaggressive on ppc32 when many inline
-# functions are used. This causes the compiler to advance the stack
-# pointer out of the available stack space, corrupting kernel space,
-# and causing a panic. Since this behavior only affects ppc32, this ifeq
-# will work around it. If any other architecture displays this behavior,
-# add it here.
-ccflags-$(CONFIG_PPC32) := $(call cc-ifversion, -lt, 0400, -O1)
-
TAGS:
etags *.c
-
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 48cdfc81fe10..32d8986c26fb 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -185,6 +185,7 @@ struct reiserfs_dentry_buf {
struct dir_context ctx;
struct dentry *xadir;
int count;
+ int err;
struct dentry *dentries[8];
};
@@ -207,6 +208,7 @@ fill_with_dentries(struct dir_context *ctx, const char *name, int namelen,
dentry = lookup_one_len(name, dbuf->xadir, namelen);
if (IS_ERR(dentry)) {
+ dbuf->err = PTR_ERR(dentry);
return PTR_ERR(dentry);
} else if (d_really_is_negative(dentry)) {
/* A directory entry exists, but no file? */
@@ -215,6 +217,7 @@ fill_with_dentries(struct dir_context *ctx, const char *name, int namelen,
"not found for file %pd.\n",
dentry, dbuf->xadir);
dput(dentry);
+ dbuf->err = -EIO;
return -EIO;
}
@@ -262,6 +265,10 @@ static int reiserfs_for_each_xattr(struct inode *inode,
err = reiserfs_readdir_inode(d_inode(dir), &buf.ctx);
if (err)
break;
+ if (buf.err) {
+ err = buf.err;
+ break;
+ }
if (!buf.count)
break;
for (i = 0; !err && i < buf.count && buf.dentries[i]; i++) {