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-rw-r--r--fs/fat/fatent.c7
-rw-r--r--fs/fat/inode.c42
2 files changed, 18 insertions, 31 deletions
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 81815487e04d..31f08ab62c56 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -310,7 +310,12 @@ void fat_ent_access_init(struct super_block *sb)
static void mark_fsinfo_dirty(struct super_block *sb)
{
- sb->s_dirt = 1;
+ struct msdos_sb_info *sbi = MSDOS_SB(sb);
+
+ if (sb->s_flags & MS_RDONLY || sbi->fat_bits != 32)
+ return;
+
+ __mark_inode_dirty(sbi->fsinfo_inode, I_DIRTY_SYNC);
}
static inline int fat_ent_update_ptr(struct super_block *sb,
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 84c602b4bb25..c2973ea5df9a 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -459,37 +459,10 @@ static void fat_evict_inode(struct inode *inode)
fat_detach(inode);
}
-static void fat_write_super(struct super_block *sb)
-{
- lock_super(sb);
- sb->s_dirt = 0;
-
- if (!(sb->s_flags & MS_RDONLY))
- fat_clusters_flush(sb);
- unlock_super(sb);
-}
-
-static int fat_sync_fs(struct super_block *sb, int wait)
-{
- int err = 0;
-
- if (sb->s_dirt) {
- lock_super(sb);
- sb->s_dirt = 0;
- err = fat_clusters_flush(sb);
- unlock_super(sb);
- }
-
- return err;
-}
-
static void fat_put_super(struct super_block *sb)
{
struct msdos_sb_info *sbi = MSDOS_SB(sb);
- if (sb->s_dirt)
- fat_write_super(sb);
-
iput(sbi->fsinfo_inode);
iput(sbi->fat_inode);
@@ -662,7 +635,18 @@ retry:
static int fat_write_inode(struct inode *inode, struct writeback_control *wbc)
{
- return __fat_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+ int err;
+
+ if (inode->i_ino == MSDOS_FSINFO_INO) {
+ struct super_block *sb = inode->i_sb;
+
+ lock_super(sb);
+ err = fat_clusters_flush(sb);
+ unlock_super(sb);
+ } else
+ err = __fat_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+
+ return err;
}
int fat_sync_inode(struct inode *inode)
@@ -679,8 +663,6 @@ static const struct super_operations fat_sops = {
.write_inode = fat_write_inode,
.evict_inode = fat_evict_inode,
.put_super = fat_put_super,
- .write_super = fat_write_super,
- .sync_fs = fat_sync_fs,
.statfs = fat_statfs,
.remount_fs = fat_remount,