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xfs: use ->t_firstblock in dir ops
Callers of the xfs_dir_*() functions currently pass an on-stack firstblock variable. While the dirops infrastructure carries a pointer to this variable, it never rolls the transaction and so it is safe to use ->t_firstblock instead. Fix up the various xfs_dir_*() callers to use ->t_firstblock. Also remove the unnecessary parameter for xfs_cross_rename(). Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Brian Foster
Darrick J. Wong
parent
bba59c5e4b
commit
f16dea54b7
@ -1143,7 +1143,6 @@ xfs_create(
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struct xfs_trans *tp = NULL;
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int error;
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struct xfs_defer_ops dfops;
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xfs_fsblock_t first_block;
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bool unlock_dp_on_error = false;
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prid_t prid;
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struct xfs_dquot *udqp = NULL;
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@ -1195,7 +1194,7 @@ xfs_create(
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xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
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unlock_dp_on_error = true;
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xfs_defer_init(tp, &dfops, &first_block);
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xfs_defer_init(tp, &dfops, &tp->t_firstblock);
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/*
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* Reserve disk quota and the inode.
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@ -1224,7 +1223,7 @@ xfs_create(
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xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
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unlock_dp_on_error = false;
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error = xfs_dir_createname(tp, dp, name, ip->i_ino, &first_block,
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error = xfs_dir_createname(tp, dp, name, ip->i_ino, &tp->t_firstblock,
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resblks ?
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resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
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if (error) {
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@ -1401,7 +1400,6 @@ xfs_link(
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xfs_trans_t *tp;
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int error;
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struct xfs_defer_ops dfops;
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xfs_fsblock_t first_block;
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int resblks;
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trace_xfs_link(tdp, target_name);
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@ -1450,7 +1448,7 @@ xfs_link(
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goto error_return;
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}
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xfs_defer_init(tp, &dfops, &first_block);
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xfs_defer_init(tp, &dfops, &tp->t_firstblock);
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/*
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* Handle initial link state of O_TMPFILE inode
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@ -1462,7 +1460,7 @@ xfs_link(
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}
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error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
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&first_block, resblks);
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&tp->t_firstblock, resblks);
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if (error)
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goto error_return;
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xfs_trans_ichgtime(tp, tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
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@ -2577,7 +2575,6 @@ xfs_remove(
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int is_dir = S_ISDIR(VFS_I(ip)->i_mode);
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int error = 0;
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struct xfs_defer_ops dfops;
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xfs_fsblock_t first_block;
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uint resblks;
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trace_xfs_remove(dp, name);
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@ -2657,8 +2654,8 @@ xfs_remove(
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if (error)
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goto out_trans_cancel;
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xfs_defer_init(tp, &dfops, &first_block);
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error = xfs_dir_removename(tp, dp, name, ip->i_ino, &first_block,
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xfs_defer_init(tp, &dfops, &tp->t_firstblock);
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error = xfs_dir_removename(tp, dp, name, ip->i_ino, &tp->t_firstblock,
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resblks);
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if (error) {
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ASSERT(error != -ENOENT);
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@ -2783,7 +2780,6 @@ xfs_cross_rename(
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struct xfs_inode *dp2,
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struct xfs_name *name2,
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struct xfs_inode *ip2,
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xfs_fsblock_t *first_block,
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int spaceres)
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{
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int error = 0;
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@ -2792,13 +2788,13 @@ xfs_cross_rename(
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int dp2_flags = 0;
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/* Swap inode number for dirent in first parent */
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error = xfs_dir_replace(tp, dp1, name1, ip2->i_ino, first_block,
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error = xfs_dir_replace(tp, dp1, name1, ip2->i_ino, &tp->t_firstblock,
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spaceres);
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if (error)
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goto out_trans_abort;
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/* Swap inode number for dirent in second parent */
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error = xfs_dir_replace(tp, dp2, name2, ip1->i_ino, first_block,
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error = xfs_dir_replace(tp, dp2, name2, ip1->i_ino, &tp->t_firstblock,
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spaceres);
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if (error)
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goto out_trans_abort;
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@ -2813,7 +2809,7 @@ xfs_cross_rename(
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if (S_ISDIR(VFS_I(ip2)->i_mode)) {
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error = xfs_dir_replace(tp, ip2, &xfs_name_dotdot,
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dp1->i_ino, first_block,
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dp1->i_ino, &tp->t_firstblock,
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spaceres);
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if (error)
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goto out_trans_abort;
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@ -2840,7 +2836,7 @@ xfs_cross_rename(
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if (S_ISDIR(VFS_I(ip1)->i_mode)) {
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error = xfs_dir_replace(tp, ip1, &xfs_name_dotdot,
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dp2->i_ino, first_block,
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dp2->i_ino, &tp->t_firstblock,
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spaceres);
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if (error)
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goto out_trans_abort;
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@ -2939,7 +2935,6 @@ xfs_rename(
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struct xfs_mount *mp = src_dp->i_mount;
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struct xfs_trans *tp;
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struct xfs_defer_ops dfops;
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xfs_fsblock_t first_block;
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struct xfs_inode *wip = NULL; /* whiteout inode */
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struct xfs_inode *inodes[__XFS_SORT_INODES];
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int num_inodes = __XFS_SORT_INODES;
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@ -3021,13 +3016,13 @@ xfs_rename(
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goto out_trans_cancel;
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}
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xfs_defer_init(tp, &dfops, &first_block);
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xfs_defer_init(tp, &dfops, &tp->t_firstblock);
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/* RENAME_EXCHANGE is unique from here on. */
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if (flags & RENAME_EXCHANGE)
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return xfs_cross_rename(tp, src_dp, src_name, src_ip,
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target_dp, target_name, target_ip,
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&first_block, spaceres);
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spaceres);
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/*
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* Set up the target.
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@ -3048,8 +3043,8 @@ xfs_rename(
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* to account for the ".." reference from the new entry.
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*/
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error = xfs_dir_createname(tp, target_dp, target_name,
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src_ip->i_ino, &first_block,
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spaceres);
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src_ip->i_ino, &tp->t_firstblock,
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spaceres);
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if (error)
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goto out_bmap_cancel;
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@ -3088,7 +3083,8 @@ xfs_rename(
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* name at the destination directory, remove it first.
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*/
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error = xfs_dir_replace(tp, target_dp, target_name,
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src_ip->i_ino, &first_block, spaceres);
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src_ip->i_ino, &tp->t_firstblock,
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spaceres);
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if (error)
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goto out_bmap_cancel;
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@ -3122,7 +3118,7 @@ xfs_rename(
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* directory.
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*/
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error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot,
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target_dp->i_ino, &first_block,
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target_dp->i_ino, &tp->t_firstblock,
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spaceres);
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ASSERT(error != -EEXIST);
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if (error)
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@ -3162,10 +3158,10 @@ xfs_rename(
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*/
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if (wip) {
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error = xfs_dir_replace(tp, src_dp, src_name, wip->i_ino,
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&first_block, spaceres);
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&tp->t_firstblock, spaceres);
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} else
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error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino,
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&first_block, spaceres);
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&tp->t_firstblock, spaceres);
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if (error)
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goto out_bmap_cancel;
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@ -164,7 +164,6 @@ xfs_symlink(
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int error = 0;
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int pathlen;
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struct xfs_defer_ops dfops;
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xfs_fsblock_t first_block;
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bool unlock_dp_on_error = false;
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xfs_fileoff_t first_fsb;
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xfs_filblks_t fs_blocks;
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@ -246,7 +245,7 @@ xfs_symlink(
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* Initialize the bmap freelist prior to calling either
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* bmapi or the directory create code.
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*/
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xfs_defer_init(tp, &dfops, &first_block);
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xfs_defer_init(tp, &dfops, &tp->t_firstblock);
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/*
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* Allocate an inode for the symlink.
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@ -289,8 +288,8 @@ xfs_symlink(
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nmaps = XFS_SYMLINK_MAPS;
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error = xfs_bmapi_write(tp, ip, first_fsb, fs_blocks,
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XFS_BMAPI_METADATA, &first_block, resblks,
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mval, &nmaps);
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XFS_BMAPI_METADATA, &tp->t_firstblock,
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resblks, mval, &nmaps);
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if (error)
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goto out_bmap_cancel;
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@ -338,7 +337,7 @@ xfs_symlink(
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* Create the directory entry for the symlink.
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*/
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error = xfs_dir_createname(tp, dp, link_name, ip->i_ino,
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&first_block, resblks);
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&tp->t_firstblock, resblks);
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if (error)
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goto out_bmap_cancel;
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xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
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