| commit | 4e9563fd55ff4479f2b118d0757d121dd0cfc39c | |
| author | Mark Fasheh <mark.fasheh@oracle.com> | |
| Thu, 1 Nov 2007 18:37:48 +0000 (1 11:37 -0700) | ||
| committer | Mark Fasheh <mark.fasheh@oracle.com> | |
| Tue, 6 Nov 2007 23:35:29 +0000 (6 15:35 -0800) | ||
| tree | 604066cd76db3d40896263d4a24a7fd5d9824eb2 | treesnapshot (tar.gz zip) |
| parent | 9ea2d32f40434589ea0e136373f7d1545afb411f | commitdiff |
ocfs2: fix write() performance regression
On file systems which don't support sparse files, Ocfs2_map_page_blocks()
was reading blocks on appending writes. This caused write performance to
suffer dramatically. Fix this by detecting an appending write on a nonsparse
fs and skipping the read.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
On file systems which don't support sparse files, Ocfs2_map_page_blocks()
was reading blocks on appending writes. This caused write performance to
suffer dramatically. Fix this by detecting an appending write on a nonsparse
fs and skipping the read.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| fs/ocfs2/aops.c | diffblobblamehistory |