[PATCH v1] libxfs: fix inode reservation space for removing transaction

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From: hexiaole <hexiaole@xxxxxxxxxx>

In 'libxfs/xfs_trans_resv.c', the comment for transaction of removing a
directory entry writes:

/* libxfs/xfs_trans_resv.c begin */
/*
 * For removing a directory entry we can modify:
 *    the parent directory inode: inode size
 *    the removed inode: inode size
...
/* libxfs/xfs_trans_resv.c end */

There has 2 inode size of space to be reserverd, but the actual code
for inode reservation space writes:

/* libxfs/xfs_trans_resv.c begin */
/*
 * For removing a directory entry we can modify:
 *    the parent directory inode: inode size
 *    the removed inode: inode size
...
xfs_calc_remove_reservation(
        struct xfs_mount        *mp)
{
        return XFS_DQUOT_LOGRES(mp) +
                xfs_calc_iunlink_add_reservation(mp) +
                max((xfs_calc_inode_res(mp, 1) +
...
/* libxfs/xfs_trans_resv.c end */

There only count for 1 inode size to be reserved in
'xfs_calc_inode_res(mp, 1)', rather than 2.

Signed-off-by: hexiaole <hexiaole@xxxxxxxxxx>
---
 libxfs/xfs_trans_resv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c
index d4a9f69e..797176d7 100644
--- a/libxfs/xfs_trans_resv.c
+++ b/libxfs/xfs_trans_resv.c
@@ -514,7 +514,7 @@ xfs_calc_remove_reservation(
 {
 	return XFS_DQUOT_LOGRES(mp) +
 		xfs_calc_iunlink_add_reservation(mp) +
-		max((xfs_calc_inode_res(mp, 1) +
+		max((xfs_calc_inode_res(mp, 2) +
 		     xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp),
 				      XFS_FSB_TO_B(mp, 1))),
 		    (xfs_calc_buf_res(4, mp->m_sb.sb_sectsize) +
-- 
2.27.0




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