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path: root/fs/xfs/libxfs/xfs_bmap.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c77
1 files changed, 26 insertions, 51 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 79c981984dca..b5eb4743f75a 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -22,9 +22,7 @@
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_bit.h"
-#include "xfs_inum.h"
#include "xfs_sb.h"
-#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
@@ -46,7 +44,6 @@
#include "xfs_trace.h"
#include "xfs_symlink.h"
#include "xfs_attr_leaf.h"
-#include "xfs_dinode.h"
#include "xfs_filestream.h"
@@ -5450,13 +5447,11 @@ xfs_bmse_merge(
struct xfs_btree_cur *cur,
int *logflags) /* output */
{
- struct xfs_ifork *ifp;
struct xfs_bmbt_irec got;
struct xfs_bmbt_irec left;
xfs_filblks_t blockcount;
int error, i;
- ifp = XFS_IFORK_PTR(ip, whichfork);
xfs_bmbt_get_all(gotp, &got);
xfs_bmbt_get_all(leftp, &left);
blockcount = left.br_blockcount + got.br_blockcount;
@@ -5489,32 +5484,25 @@ xfs_bmse_merge(
error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock,
got.br_blockcount, &i);
if (error)
- goto out_error;
- XFS_WANT_CORRUPTED_GOTO(i == 1, out_error);
+ return error;
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
error = xfs_btree_delete(cur, &i);
if (error)
- goto out_error;
- XFS_WANT_CORRUPTED_GOTO(i == 1, out_error);
+ return error;
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
/* lookup and update size of the previous extent */
error = xfs_bmbt_lookup_eq(cur, left.br_startoff, left.br_startblock,
left.br_blockcount, &i);
if (error)
- goto out_error;
- XFS_WANT_CORRUPTED_GOTO(i == 1, out_error);
+ return error;
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
left.br_blockcount = blockcount;
- error = xfs_bmbt_update(cur, left.br_startoff, left.br_startblock,
- left.br_blockcount, left.br_state);
- if (error)
- goto out_error;
-
- return 0;
-
-out_error:
- return error;
+ return xfs_bmbt_update(cur, left.br_startoff, left.br_startblock,
+ left.br_blockcount, left.br_state);
}
/*
@@ -5544,35 +5532,29 @@ xfs_bmse_shift_one(
startoff = got.br_startoff - offset_shift_fsb;
/* delalloc extents should be prevented by caller */
- XFS_WANT_CORRUPTED_GOTO(!isnullstartblock(got.br_startblock),
- out_error);
+ XFS_WANT_CORRUPTED_RETURN(!isnullstartblock(got.br_startblock));
/*
- * If this is the first extent in the file, make sure there's enough
- * room at the start of the file and jump right to the shift as there's
- * no left extent to merge.
+ * Check for merge if we've got an extent to the left, otherwise make
+ * sure there's enough room at the start of the file for the shift.
*/
- if (*current_ext == 0) {
- if (got.br_startoff < offset_shift_fsb)
- return -EINVAL;
- goto shift_extent;
- }
+ if (*current_ext) {
+ /* grab the left extent and check for a large enough hole */
+ leftp = xfs_iext_get_ext(ifp, *current_ext - 1);
+ xfs_bmbt_get_all(leftp, &left);
- /* grab the left extent and check for a large enough hole */
- leftp = xfs_iext_get_ext(ifp, *current_ext - 1);
- xfs_bmbt_get_all(leftp, &left);
+ if (startoff < left.br_startoff + left.br_blockcount)
+ return -EINVAL;
- if (startoff < left.br_startoff + left.br_blockcount)
+ /* check whether to merge the extent or shift it down */
+ if (xfs_bmse_can_merge(&left, &got, offset_shift_fsb)) {
+ return xfs_bmse_merge(ip, whichfork, offset_shift_fsb,
+ *current_ext, gotp, leftp, cur,
+ logflags);
+ }
+ } else if (got.br_startoff < offset_shift_fsb)
return -EINVAL;
- /* check whether to merge the extent or shift it down */
- if (!xfs_bmse_can_merge(&left, &got, offset_shift_fsb))
- goto shift_extent;
-
- return xfs_bmse_merge(ip, whichfork, offset_shift_fsb, *current_ext,
- gotp, leftp, cur, logflags);
-
-shift_extent:
/*
* Increment the extent index for the next iteration, update the start
* offset of the in-core extent and update the btree if applicable.
@@ -5589,18 +5571,11 @@ shift_extent:
got.br_blockcount, &i);
if (error)
return error;
- XFS_WANT_CORRUPTED_GOTO(i == 1, out_error);
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
got.br_startoff = startoff;
- error = xfs_bmbt_update(cur, got.br_startoff, got.br_startblock,
+ return xfs_bmbt_update(cur, got.br_startoff, got.br_startblock,
got.br_blockcount, got.br_state);
- if (error)
- return error;
-
- return 0;
-
-out_error:
- return error;
}
/*