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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-27 21:36:39 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-27 21:36:39 -0700 |
| commit | d35cc56ddfc948d8df1aa6d41ac345fcec01854d (patch) | |
| tree | 7e23a0e3dde639236e019aa88309d919941958e5 /fs/ext4/mballoc.c | |
| parent | 86d56134f1b67d0c18025ba5cade95c048ed528d (diff) | |
| parent | d1db0eea852497762cab43b905b879dfcd3b8987 (diff) | |
| download | linux-d35cc56ddfc948d8df1aa6d41ac345fcec01854d.tar.bz2 | |
Merge 3.15-rc3 into staging-next
Diffstat (limited to 'fs/ext4/mballoc.c')
| -rw-r--r-- | fs/ext4/mballoc.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index a888cac76e9c..c8238a26818c 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -989,7 +989,7 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb, poff = block % blocks_per_page; page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS); if (!page) - return -EIO; + return -ENOMEM; BUG_ON(page->mapping != inode->i_mapping); e4b->bd_bitmap_page = page; e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); @@ -1003,7 +1003,7 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb, pnum = block / blocks_per_page; page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS); if (!page) - return -EIO; + return -ENOMEM; BUG_ON(page->mapping != inode->i_mapping); e4b->bd_buddy_page = page; return 0; @@ -1168,7 +1168,11 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group, unlock_page(page); } } - if (page == NULL || !PageUptodate(page)) { + if (page == NULL) { + ret = -ENOMEM; + goto err; + } + if (!PageUptodate(page)) { ret = -EIO; goto err; } @@ -1197,7 +1201,11 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group, unlock_page(page); } } - if (page == NULL || !PageUptodate(page)) { + if (page == NULL) { + ret = -ENOMEM; + goto err; + } + if (!PageUptodate(page)) { ret = -EIO; goto err; } @@ -5008,6 +5016,8 @@ error_return: */ static int ext4_trim_extent(struct super_block *sb, int start, int count, ext4_group_t group, struct ext4_buddy *e4b) +__releases(bitlock) +__acquires(bitlock) { struct ext4_free_extent ex; int ret = 0; |