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xfs: rename the whichfork variable in xfs_buffered_write_iomap_begin 

Renaming whichfork to allocfork in xfs_buffered_write_iomap_begin makes
the usage of this variable a little more clear.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2019-10-19 09:09:47 -07:00 коммит произвёл Darrick J. Wong
Родитель f150b42343
Коммит 12dfb58af6
1 изменённых файлов: 11 добавлений и 11 удалений
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22
fs/xfs/xfs_iomap.c
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@ -869,7 +869,7 @@ xfs_buffered_write_iomap_begin(
struct xfs_iext_cursor icur, ccur;
xfs_fsblock_t prealloc_blocks = 0;
bool eof = false, cow_eof = false, shared = false;
int whichfork = XFS_DATA_FORK;
int allocfork = XFS_DATA_FORK;
int error = 0;
/* we can't use delayed allocations when using extent size hints */
@ -966,7 +966,7 @@ xfs_buffered_write_iomap_begin(
* Fork all the shared blocks from our write offset until the
* end of the extent.
*/
whichfork = XFS_COW_FORK;
allocfork = XFS_COW_FORK;
end_fsb = imap.br_startoff + imap.br_blockcount;
} else {
/*
@ -982,7 +982,7 @@ xfs_buffered_write_iomap_begin(
end_fsb = xfs_iomap_end_fsb(mp, offset, count);
if (xfs_is_always_cow_inode(ip))
whichfork = XFS_COW_FORK;
allocfork = XFS_COW_FORK;
}
error = xfs_qm_dqattach_locked(ip, false);
@ -990,7 +990,7 @@ xfs_buffered_write_iomap_begin(
goto out_unlock;
if (eof) {
prealloc_blocks = xfs_iomap_prealloc_size(ip, whichfork, offset,
prealloc_blocks = xfs_iomap_prealloc_size(ip, allocfork, offset,
count, &icur);
if (prealloc_blocks) {
xfs_extlen_t align;
@ -1013,11 +1013,11 @@ xfs_buffered_write_iomap_begin(
}
retry:
error = xfs_bmapi_reserve_delalloc(ip, whichfork, offset_fsb,
error = xfs_bmapi_reserve_delalloc(ip, allocfork, offset_fsb,
end_fsb - offset_fsb, prealloc_blocks,
whichfork == XFS_DATA_FORK ? &imap : &cmap,
whichfork == XFS_DATA_FORK ? &icur : &ccur,
whichfork == XFS_DATA_FORK ? eof : cow_eof);
allocfork == XFS_DATA_FORK ? &imap : &cmap,
allocfork == XFS_DATA_FORK ? &icur : &ccur,
allocfork == XFS_DATA_FORK ? eof : cow_eof);
switch (error) {
case 0:
break;
@ -1034,8 +1034,8 @@ retry:
goto out_unlock;
}
if (whichfork == XFS_COW_FORK) {
trace_xfs_iomap_alloc(ip, offset, count, whichfork, &cmap);
if (allocfork == XFS_COW_FORK) {
trace_xfs_iomap_alloc(ip, offset, count, allocfork, &cmap);
goto found_cow;
}
@ -1044,7 +1044,7 @@ retry:
* them out if the write happens to fail.
*/
xfs_iunlock(ip, XFS_ILOCK_EXCL);
trace_xfs_iomap_alloc(ip, offset, count, whichfork, &imap);
trace_xfs_iomap_alloc(ip, offset, count, allocfork, &imap);
return xfs_bmbt_to_iomap(ip, iomap, &imap, IOMAP_F_NEW);
found_imap: