diff options
Diffstat (limited to 'fs/fat/inode.c')
-rw-r--r-- | fs/fat/inode.c | 54 |
1 files changed, 24 insertions, 30 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index b3d290c1b51..c2973ea5df9 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -459,37 +459,11 @@ 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); unload_nls(sbi->nls_disk); @@ -661,7 +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) @@ -678,8 +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, @@ -1244,6 +1227,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, void (*setup)(struct super_block *)) { struct inode *root_inode = NULL, *fat_inode = NULL; + struct inode *fsinfo_inode = NULL; struct buffer_head *bh; struct fat_boot_sector *b; struct msdos_sb_info *sbi; @@ -1490,6 +1474,14 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, goto out_fail; MSDOS_I(fat_inode)->i_pos = 0; sbi->fat_inode = fat_inode; + + fsinfo_inode = new_inode(sb); + if (!fsinfo_inode) + goto out_fail; + fsinfo_inode->i_ino = MSDOS_FSINFO_INO; + sbi->fsinfo_inode = fsinfo_inode; + insert_inode_hash(fsinfo_inode); + root_inode = new_inode(sb); if (!root_inode) goto out_fail; @@ -1516,6 +1508,8 @@ out_invalid: fat_msg(sb, KERN_INFO, "Can't find a valid FAT filesystem"); out_fail: + if (fsinfo_inode) + iput(fsinfo_inode); if (fat_inode) iput(fat_inode); unload_nls(sbi->nls_io); |