diff options
Diffstat (limited to 'fs/fat/fatent.c')
| -rw-r--r-- | fs/fat/fatent.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c index 5fb366992b7..302e95c4af7 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -450,7 +450,8 @@ int fat_alloc_clusters(struct inode *inode, int *cluster, int nr_cluster) BUG_ON(nr_cluster > (MAX_BUF_PER_PAGE / 2)); /* fixed limit */ lock_fat(sbi); - if (sbi->free_clusters != -1 && sbi->free_clusters < nr_cluster) { + if (sbi->free_clusters != -1 && sbi->free_clus_valid && + sbi->free_clusters < nr_cluster) { unlock_fat(sbi); return -ENOSPC; } @@ -504,6 +505,7 @@ int fat_alloc_clusters(struct inode *inode, int *cluster, int nr_cluster) /* Couldn't allocate the free entries */ sbi->free_clusters = 0; + sbi->free_clus_valid = 1; sb->s_dirt = 1; err = -ENOSPC; @@ -544,7 +546,7 @@ int fat_free_clusters(struct inode *inode, int cluster) goto error; } else if (cluster == FAT_ENT_FREE) { fat_fs_panic(sb, "%s: deleting FAT entry beyond EOF", - __FUNCTION__); + __func__); err = -EIO; goto error; } @@ -583,8 +585,6 @@ error: brelse(bhs[i]); unlock_fat(sbi); - fat_clusters_flush(sb); - return err; } @@ -615,7 +615,7 @@ int fat_count_free_clusters(struct super_block *sb) int err = 0, free; lock_fat(sbi); - if (sbi->free_clusters != -1) + if (sbi->free_clusters != -1 && sbi->free_clus_valid) goto out; reada_blocks = FAT_READA_SIZE >> sb->s_blocksize_bits; @@ -643,6 +643,7 @@ int fat_count_free_clusters(struct super_block *sb) } while (fat_ent_next(sbi, &fatent)); } sbi->free_clusters = free; + sbi->free_clus_valid = 1; sb->s_dirt = 1; fatent_brelse(&fatent); out: |