leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

xfs: remove unnecessary shifts

Browse Source 
The superblock verifier already validates that (1 << blocklog) ==
blocksize, so use the value directly instead of doing math.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
This commit is contained in:
Darrick J. Wong 2021-05-31 11:31:56 -07:00
parent a7bcb147fe
commit 20bd8e63f3
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/xfs/xfs_bmap_util.c
View File

@ -945,7 +945,7 @@ xfs_flush_unmap_range(
xfs_off_t rounding, start, end;
int error;
rounding = max_t(xfs_off_t, 1 << mp->m_sb.sb_blocklog, PAGE_SIZE);
rounding = max_t(xfs_off_t, mp->m_sb.sb_blocksize, PAGE_SIZE);
start = round_down(offset, rounding);
end = round_up(offset + len, rounding) - 1;
@ -1053,9 +1053,9 @@ xfs_prepare_shift(
* extent (after split) during the shift and corrupt the file. Start
* with the block just prior to the start to stabilize the boundary.
*/
offset = round_down(offset, 1 << mp->m_sb.sb_blocklog);
offset = round_down(offset, mp->m_sb.sb_blocksize);
if (offset)
offset -= (1 << mp->m_sb.sb_blocklog);
offset -= mp->m_sb.sb_blocksize;
/*
* Writeback and invalidate cache for the remainder of the file as we're