diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 12:51:10 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 12:51:10 -0400 |
| commit | dc05973b288a5226bb7e56afd6c2fa07560a907c (patch) | |
| tree | 2e1eade8b6010ff4c844341fdeec9ee966d75ac7 /fs/btrfs/file.c | |
| parent | 297fae4d0bee5d683533f3324baf1b363e7b48bf (diff) | |
| parent | e7bdea7750eb2a64aea4a08fa5c0a31719c8155d (diff) | |
Merge commit 'e7bdea7750eb'
Needed in order to work on top of pNFS changes in Linus' upstream kernel.
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index e0c9bd3fb02d..2234e88cf674 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1534,30 +1534,30 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, reserve_bytes = round_up(write_bytes + sector_offset, root->sectorsize); - if ((BTRFS_I(inode)->flags & (BTRFS_INODE_NODATACOW | - BTRFS_INODE_PREALLOC)) && - check_can_nocow(inode, pos, &write_bytes) > 0) { - /* - * For nodata cow case, no need to reserve - * data space. - */ - only_release_metadata = true; - /* - * our prealloc extent may be smaller than - * write_bytes, so scale down. - */ - num_pages = DIV_ROUND_UP(write_bytes + offset, - PAGE_SIZE); - reserve_bytes = round_up(write_bytes + sector_offset, - root->sectorsize); - goto reserve_metadata; - } - ret = btrfs_check_data_free_space(inode, pos, write_bytes); - if (ret < 0) - break; + if (ret < 0) { + if ((BTRFS_I(inode)->flags & (BTRFS_INODE_NODATACOW | + BTRFS_INODE_PREALLOC)) && + check_can_nocow(inode, pos, &write_bytes) > 0) { + /* + * For nodata cow case, no need to reserve + * data space. + */ + only_release_metadata = true; + /* + * our prealloc extent may be smaller than + * write_bytes, so scale down. + */ + num_pages = DIV_ROUND_UP(write_bytes + offset, + PAGE_SIZE); + reserve_bytes = round_up(write_bytes + + sector_offset, + root->sectorsize); + } else { + break; + } + } -reserve_metadata: ret = btrfs_delalloc_reserve_metadata(inode, reserve_bytes); if (ret) { if (!only_release_metadata) |