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Diffstat (limited to 'fs/jffs2/fs.c')
-rw-r--r--fs/jffs2/fs.c105
1 files changed, 42 insertions, 63 deletions
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 76fa814df3d1..764bba8ba999 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <linux/cred.h>
#include <linux/fs.h>
+#include <linux/fs_context.h>
#include <linux/list.h>
#include <linux/mtd/mtd.h>
#include <linux/pagemap.h>
@@ -112,9 +113,9 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
ri->isize = cpu_to_je32((ivalid & ATTR_SIZE)?iattr->ia_size:inode->i_size);
- ri->atime = cpu_to_je32(I_SEC((ivalid & ATTR_ATIME)?iattr->ia_atime:inode->i_atime));
- ri->mtime = cpu_to_je32(I_SEC((ivalid & ATTR_MTIME)?iattr->ia_mtime:inode->i_mtime));
- ri->ctime = cpu_to_je32(I_SEC((ivalid & ATTR_CTIME)?iattr->ia_ctime:inode->i_ctime));
+ ri->atime = cpu_to_je32(I_SEC((ivalid & ATTR_ATIME)?iattr->ia_atime:inode_get_atime(inode)));
+ ri->mtime = cpu_to_je32(I_SEC((ivalid & ATTR_MTIME)?iattr->ia_mtime:inode_get_mtime(inode)));
+ ri->ctime = cpu_to_je32(I_SEC((ivalid & ATTR_CTIME)?iattr->ia_ctime:inode_get_ctime(inode)));
ri->offset = cpu_to_je32(0);
ri->csize = ri->dsize = cpu_to_je32(mdatalen);
@@ -146,9 +147,9 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
return PTR_ERR(new_metadata);
}
/* It worked. Update the inode */
- inode->i_atime = ITIME(je32_to_cpu(ri->atime));
- inode->i_ctime = ITIME(je32_to_cpu(ri->ctime));
- inode->i_mtime = ITIME(je32_to_cpu(ri->mtime));
+ inode_set_atime_to_ts(inode, ITIME(je32_to_cpu(ri->atime)));
+ inode_set_ctime_to_ts(inode, ITIME(je32_to_cpu(ri->ctime)));
+ inode_set_mtime_to_ts(inode, ITIME(je32_to_cpu(ri->mtime)));
inode->i_mode = jemode_to_cpu(ri->mode);
i_uid_write(inode, je16_to_cpu(ri->uid));
i_gid_write(inode, je16_to_cpu(ri->gid));
@@ -177,30 +178,31 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
jffs2_complete_reservation(c);
/* We have to do the truncate_setsize() without f->sem held, since
- some pages may be locked and waiting for it in readpage().
+ some pages may be locked and waiting for it in read_folio().
We are protected from a simultaneous write() extending i_size
back past iattr->ia_size, because do_truncate() holds the
generic inode semaphore. */
if (ivalid & ATTR_SIZE && inode->i_size > iattr->ia_size) {
truncate_setsize(inode, iattr->ia_size);
inode->i_blocks = (inode->i_size + 511) >> 9;
- }
+ }
return 0;
}
-int jffs2_setattr(struct dentry *dentry, struct iattr *iattr)
+int jffs2_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
int rc;
- rc = setattr_prepare(dentry, iattr);
+ rc = setattr_prepare(&nop_mnt_idmap, dentry, iattr);
if (rc)
return rc;
rc = jffs2_do_setattr(inode, iattr);
if (!rc && (iattr->ia_valid & ATTR_MODE))
- rc = posix_acl_chmod(inode, inode->i_mode);
+ rc = posix_acl_chmod(&nop_mnt_idmap, dentry, inode->i_mode);
return rc;
}
@@ -263,7 +265,7 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino)
inode = iget_locked(sb, ino);
if (!inode)
return ERR_PTR(-ENOMEM);
- if (!(inode->i_state & I_NEW))
+ if (!(inode_state_read_once(inode) & I_NEW))
return inode;
f = JFFS2_INODE_INFO(inode);
@@ -280,9 +282,9 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino)
i_uid_write(inode, je16_to_cpu(latest_node.uid));
i_gid_write(inode, je16_to_cpu(latest_node.gid));
inode->i_size = je32_to_cpu(latest_node.isize);
- inode->i_atime = ITIME(je32_to_cpu(latest_node.atime));
- inode->i_mtime = ITIME(je32_to_cpu(latest_node.mtime));
- inode->i_ctime = ITIME(je32_to_cpu(latest_node.ctime));
+ inode_set_atime_to_ts(inode, ITIME(je32_to_cpu(latest_node.atime)));
+ inode_set_mtime_to_ts(inode, ITIME(je32_to_cpu(latest_node.mtime)));
+ inode_set_ctime_to_ts(inode, ITIME(je32_to_cpu(latest_node.ctime)));
set_nlink(inode, f->inocache->pino_nlink);
@@ -340,6 +342,7 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino)
rdev = old_decode_dev(je16_to_cpu(jdev.old_id));
else
rdev = new_decode_dev(je32_to_cpu(jdev.new_id));
+ fallthrough;
case S_IFSOCK:
case S_IFIFO:
@@ -362,7 +365,6 @@ error_io:
ret = -EIO;
error:
mutex_unlock(&f->sem);
- jffs2_do_clear_inode(c, f);
iget_failed(inode);
return ERR_PTR(ret);
}
@@ -371,7 +373,7 @@ void jffs2_dirty_inode(struct inode *inode, int flags)
{
struct iattr iattr;
- if (!(inode->i_state & I_DIRTY_DATASYNC)) {
+ if (!(inode_state_read_once(inode) & I_DIRTY_DATASYNC)) {
jffs2_dbg(2, "%s(): not calling setattr() for ino #%lu\n",
__func__, inode->i_ino);
return;
@@ -384,35 +386,35 @@ void jffs2_dirty_inode(struct inode *inode, int flags)
iattr.ia_mode = inode->i_mode;
iattr.ia_uid = inode->i_uid;
iattr.ia_gid = inode->i_gid;
- iattr.ia_atime = inode->i_atime;
- iattr.ia_mtime = inode->i_mtime;
- iattr.ia_ctime = inode->i_ctime;
+ iattr.ia_atime = inode_get_atime(inode);
+ iattr.ia_mtime = inode_get_mtime(inode);
+ iattr.ia_ctime = inode_get_ctime(inode);
jffs2_do_setattr(inode, &iattr);
}
-int jffs2_do_remount_fs(struct super_block *sb, int *flags, char *data)
+int jffs2_do_remount_fs(struct super_block *sb, struct fs_context *fc)
{
struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
- if (c->flags & JFFS2_SB_FLAG_RO && !(sb->s_flags & MS_RDONLY))
+ if (c->flags & JFFS2_SB_FLAG_RO && !sb_rdonly(sb))
return -EROFS;
/* We stop if it was running, then restart if it needs to.
This also catches the case where it was stopped and this
is just a remount to restart it.
- Flush the writebuffer, if neccecary, else we loose it */
- if (!(sb->s_flags & MS_RDONLY)) {
+ Flush the writebuffer, if necessary, else we loose it */
+ if (!sb_rdonly(sb)) {
jffs2_stop_garbage_collect_thread(c);
mutex_lock(&c->alloc_sem);
jffs2_flush_wbuf_pad(c);
mutex_unlock(&c->alloc_sem);
}
- if (!(*flags & MS_RDONLY))
+ if (!(fc->sb_flags & SB_RDONLY))
jffs2_start_garbage_collect_thread(c);
- *flags |= MS_NOATIME;
+ fc->sb_flags |= SB_NOATIME;
return 0;
}
@@ -473,8 +475,8 @@ struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_r
inode->i_mode = jemode_to_cpu(ri->mode);
i_gid_write(inode, je16_to_cpu(ri->gid));
i_uid_write(inode, je16_to_cpu(ri->uid));
- inode->i_atime = inode->i_ctime = inode->i_mtime = current_time(inode);
- ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode->i_mtime));
+ simple_inode_init_ts(inode);
+ ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode_get_mtime(inode)));
inode->i_blocks = 0;
inode->i_size = 0;
@@ -509,7 +511,7 @@ static int calculate_inocache_hashsize(uint32_t flash_size)
return hashsize;
}
-int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
+int jffs2_do_fill_super(struct super_block *sb, struct fs_context *fc)
{
struct jffs2_sb_info *c;
struct inode *root_i;
@@ -524,11 +526,11 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
#ifndef CONFIG_JFFS2_FS_WRITEBUFFER
if (c->mtd->type == MTD_NANDFLASH) {
- pr_err("Cannot operate on NAND flash unless jffs2 NAND support is compiled in\n");
+ errorf(fc, "Cannot operate on NAND flash unless jffs2 NAND support is compiled in");
return -EINVAL;
}
if (c->mtd->type == MTD_DATAFLASH) {
- pr_err("Cannot operate on DataFlash unless jffs2 DataFlash support is compiled in\n");
+ errorf(fc, "Cannot operate on DataFlash unless jffs2 DataFlash support is compiled in");
return -EINVAL;
}
#endif
@@ -542,12 +544,12 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
*/
if ((c->sector_size * blocks) != c->flash_size) {
c->flash_size = c->sector_size * blocks;
- pr_info("Flash size not aligned to erasesize, reducing to %dKiB\n",
- c->flash_size / 1024);
+ infof(fc, "Flash size not aligned to erasesize, reducing to %dKiB",
+ c->flash_size / 1024);
}
if (c->flash_size < 5*c->sector_size) {
- pr_err("Too few erase blocks (%d)\n",
+ errorf(fc, "Too few erase blocks (%d)",
c->flash_size / c->sector_size);
return -EINVAL;
}
@@ -590,7 +592,10 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
sb->s_blocksize = PAGE_SIZE;
sb->s_blocksize_bits = PAGE_SHIFT;
sb->s_magic = JFFS2_SUPER_MAGIC;
- if (!(sb->s_flags & MS_RDONLY))
+ sb->s_time_min = 0;
+ sb->s_time_max = U32_MAX;
+
+ if (!sb_rdonly(sb))
jffs2_start_garbage_collect_thread(c);
return 0;
@@ -598,8 +603,9 @@ out_root:
jffs2_free_ino_caches(c);
jffs2_free_raw_node_refs(c);
kvfree(c->blocks);
- out_inohash:
jffs2_clear_xattr_subsystem(c);
+ jffs2_sum_exit(c);
+ out_inohash:
kfree(c->inocache_list);
out_wbuf:
jffs2_flash_cleanup(c);
@@ -678,33 +684,6 @@ struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c,
return JFFS2_INODE_INFO(inode);
}
-unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,
- struct jffs2_inode_info *f,
- unsigned long offset,
- unsigned long *priv)
-{
- struct inode *inode = OFNI_EDONI_2SFFJ(f);
- struct page *pg;
-
- pg = read_cache_page(inode->i_mapping, offset >> PAGE_SHIFT,
- (void *)jffs2_do_readpage_unlock, inode);
- if (IS_ERR(pg))
- return (void *)pg;
-
- *priv = (unsigned long)pg;
- return kmap(pg);
-}
-
-void jffs2_gc_release_page(struct jffs2_sb_info *c,
- unsigned char *ptr,
- unsigned long *priv)
-{
- struct page *pg = (void *)*priv;
-
- kunmap(pg);
- put_page(pg);
-}
-
static int jffs2_flash_setup(struct jffs2_sb_info *c) {
int ret = 0;
generated by cgit (git 2.34.1) at 2025-12-25 10:20:58 +0000