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-rw-r--r--fs/ubifs/super.c41
1 files changed, 12 insertions, 29 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 26d2e0d8046..333e181ee98 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -36,7 +36,6 @@
#include <linux/mount.h>
#include <linux/math64.h>
#include <linux/writeback.h>
-#include <linux/smp_lock.h>
#include "ubifs.h"
/*
@@ -318,6 +317,8 @@ static int ubifs_write_inode(struct inode *inode, int wait)
if (err)
ubifs_err("can't write inode %lu, error %d",
inode->i_ino, err);
+ else
+ err = dbg_check_inode_size(c, inode, ui->ui_size);
}
ui->dirty = 0;
@@ -438,12 +439,6 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
{
int i, err;
struct ubifs_info *c = sb->s_fs_info;
- struct writeback_control wbc = {
- .sync_mode = WB_SYNC_ALL,
- .range_start = 0,
- .range_end = LLONG_MAX,
- .nr_to_write = LONG_MAX,
- };
/*
* Zero @wait is just an advisory thing to help the file system shove
@@ -454,17 +449,6 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
return 0;
/*
- * VFS calls '->sync_fs()' before synchronizing all dirty inodes and
- * pages, so synchronize them first, then commit the journal. Strictly
- * speaking, it is not necessary to commit the journal here,
- * synchronizing write-buffers would be enough. But committing makes
- * UBIFS free space predictions much more accurate, so we want to let
- * the user be able to get more accurate results of 'statfs()' after
- * they synchronize the file system.
- */
- generic_sync_sb_inodes(sb, &wbc);
-
- /*
* Synchronize write buffers, because 'ubifs_run_commit()' does not
* do this if it waits for an already running commit.
*/
@@ -474,6 +458,13 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
return err;
}
+ /*
+ * Strictly speaking, it is not necessary to commit the journal here,
+ * synchronizing write-buffers would be enough. But committing makes
+ * UBIFS free space predictions much more accurate, so we want to let
+ * the user be able to get more accurate results of 'statfs()' after
+ * they synchronize the file system.
+ */
err = ubifs_run_commit(c);
if (err)
return err;
@@ -1726,8 +1717,6 @@ static void ubifs_put_super(struct super_block *sb)
ubifs_msg("un-mount UBI device %d, volume %d", c->vi.ubi_num,
c->vi.vol_id);
- lock_kernel();
-
/*
* The following asserts are only valid if there has not been a failure
* of the media. For example, there will be dirty inodes if we failed
@@ -1792,8 +1781,6 @@ static void ubifs_put_super(struct super_block *sb)
ubi_close_volume(c->ubi);
mutex_unlock(&c->umount_mutex);
kfree(c);
-
- unlock_kernel();
}
static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
@@ -1809,22 +1796,17 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
return err;
}
- lock_kernel();
if ((sb->s_flags & MS_RDONLY) && !(*flags & MS_RDONLY)) {
if (c->ro_media) {
ubifs_msg("cannot re-mount due to prior errors");
- unlock_kernel();
return -EROFS;
}
err = ubifs_remount_rw(c);
- if (err) {
- unlock_kernel();
+ if (err)
return err;
- }
} else if (!(sb->s_flags & MS_RDONLY) && (*flags & MS_RDONLY)) {
if (c->ro_media) {
ubifs_msg("cannot re-mount due to prior errors");
- unlock_kernel();
return -EROFS;
}
ubifs_remount_ro(c);
@@ -1839,7 +1821,6 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
}
ubifs_assert(c->lst.taken_empty_lebs > 0);
- unlock_kernel();
return 0;
}
@@ -1971,6 +1952,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
*
* Read-ahead will be disabled because @c->bdi.ra_pages is 0.
*/
+ c->bdi.name = "ubifs",
c->bdi.capabilities = BDI_CAP_MAP_COPY;
c->bdi.unplug_io_fn = default_unplug_io_fn;
err = bdi_init(&c->bdi);
@@ -1985,6 +1967,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
if (err)
goto out_bdi;
+ sb->s_bdi = &c->bdi;
sb->s_fs_info = c;
sb->s_magic = UBIFS_SUPER_MAGIC;
sb->s_blocksize = UBIFS_BLOCK_SIZE;