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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.c92
1 files changed, 58 insertions, 34 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 040eeda8426f..7b0e2b551e23 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -246,7 +246,7 @@ xfs_bmap_get_bp(
struct xfs_btree_cur *cur,
xfs_fsblock_t bno)
{
- struct xfs_log_item_desc *lidp;
+ struct xfs_log_item *lip;
int i;
if (!cur)
@@ -260,9 +260,9 @@ xfs_bmap_get_bp(
}
/* Chase down all the log items to see if the bp is there */
- list_for_each_entry(lidp, &cur->bc_tp->t_items, lid_trans) {
- struct xfs_buf_log_item *bip;
- bip = (struct xfs_buf_log_item *)lidp->lid_item;
+ list_for_each_entry(lip, &cur->bc_tp->t_items, li_trans) {
+ struct xfs_buf_log_item *bip = (struct xfs_buf_log_item *)lip;
+
if (bip->bli_item.li_type == XFS_LI_BUF &&
XFS_BUF_ADDR(bip->bli_buf) == bno)
return bip->bli_buf;
@@ -312,8 +312,9 @@ xfs_check_block(
xfs_warn(mp, "%s: thispa(%d) == pp(%d) %Ld",
__func__, j, i,
(unsigned long long)be64_to_cpu(*thispa));
- panic("%s: ptrs are equal in node\n",
+ xfs_err(mp, "%s: ptrs are equal in node\n",
__func__);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
}
}
}
@@ -483,7 +484,8 @@ error0:
error_norelse:
xfs_warn(mp, "%s: BAD after btree leaves for %d extents",
__func__, i);
- panic("%s: CORRUPTED BTREE OR SOMETHING", __func__);
+ xfs_err(mp, "%s: CORRUPTED BTREE OR SOMETHING", __func__);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
return;
}
@@ -542,12 +544,13 @@ xfs_bmap_validate_ret(
* The list is maintained sorted (by block number).
*/
void
-xfs_bmap_add_free(
+__xfs_bmap_add_free(
struct xfs_mount *mp,
struct xfs_defer_ops *dfops,
xfs_fsblock_t bno,
xfs_filblks_t len,
- struct xfs_owner_info *oinfo)
+ struct xfs_owner_info *oinfo,
+ bool skip_discard)
{
struct xfs_extent_free_item *new; /* new element */
#ifdef DEBUG
@@ -574,6 +577,7 @@ xfs_bmap_add_free(
new->xefi_oinfo = *oinfo;
else
xfs_rmap_skip_owner_update(&new->xefi_oinfo);
+ new->xefi_skip_discard = skip_discard;
trace_xfs_bmap_free_defer(mp, XFS_FSB_TO_AGNO(mp, bno), 0,
XFS_FSB_TO_AGBNO(mp, bno), len);
xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_FREE, &new->xefi_list);
@@ -2001,10 +2005,13 @@ xfs_bmap_add_extent_delay_real(
ASSERT(0);
}
- /* add reverse mapping */
- error = xfs_rmap_map_extent(mp, bma->dfops, bma->ip, whichfork, new);
- if (error)
- goto done;
+ /* add reverse mapping unless caller opted out */
+ if (!(bma->flags & XFS_BMAPI_NORMAP)) {
+ error = xfs_rmap_map_extent(mp, bma->dfops, bma->ip,
+ whichfork, new);
+ if (error)
+ goto done;
+ }
/* convert to a btree if necessary */
if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
@@ -2668,7 +2675,8 @@ xfs_bmap_add_extent_hole_real(
struct xfs_bmbt_irec *new,
xfs_fsblock_t *first,
struct xfs_defer_ops *dfops,
- int *logflagsp)
+ int *logflagsp,
+ int flags)
{
struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
struct xfs_mount *mp = ip->i_mount;
@@ -2845,10 +2853,12 @@ xfs_bmap_add_extent_hole_real(
break;
}
- /* add reverse mapping */
- error = xfs_rmap_map_extent(mp, dfops, ip, whichfork, new);
- if (error)
- goto done;
+ /* add reverse mapping unless caller opted out */
+ if (!(flags & XFS_BMAPI_NORMAP)) {
+ error = xfs_rmap_map_extent(mp, dfops, ip, whichfork, new);
+ if (error)
+ goto done;
+ }
/* convert to a btree if necessary */
if (xfs_bmap_needs_btree(ip, whichfork)) {
@@ -4123,7 +4133,8 @@ xfs_bmapi_allocate(
else
error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip,
whichfork, &bma->icur, &bma->cur, &bma->got,
- bma->firstblock, bma->dfops, &bma->logflags);
+ bma->firstblock, bma->dfops, &bma->logflags,
+ bma->flags);
bma->logflags |= tmp_logflags;
if (error)
@@ -4509,30 +4520,37 @@ error0:
return error;
}
-static int
+int
xfs_bmapi_remap(
struct xfs_trans *tp,
struct xfs_inode *ip,
xfs_fileoff_t bno,
xfs_filblks_t len,
xfs_fsblock_t startblock,
- struct xfs_defer_ops *dfops)
+ struct xfs_defer_ops *dfops,
+ int flags)
{
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
+ struct xfs_ifork *ifp;
struct xfs_btree_cur *cur = NULL;
xfs_fsblock_t firstblock = NULLFSBLOCK;
struct xfs_bmbt_irec got;
struct xfs_iext_cursor icur;
+ int whichfork = xfs_bmapi_whichfork(flags);
int logflags = 0, error;
+ ifp = XFS_IFORK_PTR(ip, whichfork);
ASSERT(len > 0);
ASSERT(len <= (xfs_filblks_t)MAXEXTLEN);
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+ ASSERT(!(flags & ~(XFS_BMAPI_ATTRFORK | XFS_BMAPI_PREALLOC |
+ XFS_BMAPI_NORMAP)));
+ ASSERT((flags & (XFS_BMAPI_ATTRFORK | XFS_BMAPI_PREALLOC)) !=
+ (XFS_BMAPI_ATTRFORK | XFS_BMAPI_PREALLOC));
if (unlikely(XFS_TEST_ERROR(
- (XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_EXTENTS &&
- XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_BTREE),
+ (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS &&
+ XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE),
mp, XFS_ERRTAG_BMAPIFORMAT))) {
XFS_ERROR_REPORT("xfs_bmapi_remap", XFS_ERRLEVEL_LOW, mp);
return -EFSCORRUPTED;
@@ -4542,7 +4560,7 @@ xfs_bmapi_remap(
return -EIO;
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
- error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK);
+ error = xfs_iread_extents(tp, ip, whichfork);
if (error)
return error;
}
@@ -4557,7 +4575,7 @@ xfs_bmapi_remap(
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
if (ifp->if_flags & XFS_IFBROOT) {
- cur = xfs_bmbt_init_cursor(mp, tp, ip, XFS_DATA_FORK);
+ cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);
cur->bc_private.b.firstblock = firstblock;
cur->bc_private.b.dfops = dfops;
cur->bc_private.b.flags = 0;
@@ -4566,18 +4584,21 @@ xfs_bmapi_remap(
got.br_startoff = bno;
got.br_startblock = startblock;
got.br_blockcount = len;
- got.br_state = XFS_EXT_NORM;
+ if (flags & XFS_BMAPI_PREALLOC)
+ got.br_state = XFS_EXT_UNWRITTEN;
+ else
+ got.br_state = XFS_EXT_NORM;
- error = xfs_bmap_add_extent_hole_real(tp, ip, XFS_DATA_FORK, &icur,
- &cur, &got, &firstblock, dfops, &logflags);
+ error = xfs_bmap_add_extent_hole_real(tp, ip, whichfork, &icur,
+ &cur, &got, &firstblock, dfops, &logflags, flags);
if (error)
goto error0;
- if (xfs_bmap_wants_extents(ip, XFS_DATA_FORK)) {
+ if (xfs_bmap_wants_extents(ip, whichfork)) {
int tmp_logflags = 0;
error = xfs_bmap_btree_to_extents(tp, ip, cur,
- &tmp_logflags, XFS_DATA_FORK);
+ &tmp_logflags, whichfork);
logflags |= tmp_logflags;
}
@@ -5104,9 +5125,12 @@ xfs_bmap_del_extent_real(
error = xfs_refcount_decrease_extent(mp, dfops, del);
if (error)
goto done;
- } else
- xfs_bmap_add_free(mp, dfops, del->br_startblock,
- del->br_blockcount, NULL);
+ } else {
+ __xfs_bmap_add_free(mp, dfops, del->br_startblock,
+ del->br_blockcount, NULL,
+ (bflags & XFS_BMAPI_NODISCARD) ||
+ del->br_state == XFS_EXT_UNWRITTEN);
+ }
}
/*
@@ -6148,7 +6172,7 @@ xfs_bmap_finish_one(
switch (type) {
case XFS_BMAP_MAP:
error = xfs_bmapi_remap(tp, ip, startoff, *blockcount,
- startblock, dfops);
+ startblock, dfops, 0);
*blockcount = 0;
break;
case XFS_BMAP_UNMAP:
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-14 19:20:03 +0300