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-rw-r--r--fs/xfs/libxfs/xfs_ialloc.c17
-rw-r--r--fs/xfs/libxfs/xfs_ialloc.h10
-rw-r--r--fs/xfs/xfs_inode.c28
3 files changed, 35 insertions, 20 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 47be76e7a124..c6d684ed84d0 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -1885,8 +1885,7 @@ xfs_difree_inobt(
struct xfs_buf *agbp,
xfs_agino_t agino,
struct xfs_bmap_free *flist,
- int *deleted,
- xfs_ino_t *first_ino,
+ struct xfs_icluster *xic,
struct xfs_inobt_rec_incore *orec)
{
struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
@@ -1947,9 +1946,9 @@ xfs_difree_inobt(
if (!(mp->m_flags & XFS_MOUNT_IKEEP) &&
rec.ir_free == XFS_INOBT_ALL_FREE &&
mp->m_sb.sb_inopblock <= XFS_INODES_PER_CHUNK) {
-
- *deleted = 1;
- *first_ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino);
+ xic->deleted = 1;
+ xic->first_ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino);
+ xic->alloc = xfs_inobt_irec_to_allocmask(&rec);
/*
* Remove the inode cluster from the AGI B+Tree, adjust the
@@ -1974,7 +1973,7 @@ xfs_difree_inobt(
xfs_difree_inode_chunk(mp, agno, &rec, flist);
} else {
- *deleted = 0;
+ xic->deleted = 0;
error = xfs_inobt_update(cur, &rec);
if (error) {
@@ -2118,8 +2117,7 @@ xfs_difree(
struct xfs_trans *tp, /* transaction pointer */
xfs_ino_t inode, /* inode to be freed */
struct xfs_bmap_free *flist, /* extents to free */
- int *deleted,/* set if inode cluster was deleted */
- xfs_ino_t *first_ino)/* first inode in deleted cluster */
+ struct xfs_icluster *xic) /* cluster info if deleted */
{
/* REFERENCED */
xfs_agblock_t agbno; /* block number containing inode */
@@ -2170,8 +2168,7 @@ xfs_difree(
/*
* Fix up the inode allocation btree.
*/
- error = xfs_difree_inobt(mp, tp, agbp, agino, flist, deleted, first_ino,
- &rec);
+ error = xfs_difree_inobt(mp, tp, agbp, agino, flist, xic, &rec);
if (error)
goto error0;
diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h
index 4d4b7022cc9b..12401fea7bff 100644
--- a/fs/xfs/libxfs/xfs_ialloc.h
+++ b/fs/xfs/libxfs/xfs_ialloc.h
@@ -28,6 +28,13 @@ struct xfs_btree_cur;
/* Move inodes in clusters of this size */
#define XFS_INODE_BIG_CLUSTER_SIZE 8192
+struct xfs_icluster {
+ bool deleted; /* record is deleted */
+ xfs_ino_t first_ino; /* first inode number */
+ uint64_t alloc; /* inode phys. allocation bitmap for
+ * sparse chunks */
+};
+
/* Calculate and return the number of filesystem blocks per inode cluster */
static inline int
xfs_icluster_size_fsb(
@@ -90,8 +97,7 @@ xfs_difree(
struct xfs_trans *tp, /* transaction pointer */
xfs_ino_t inode, /* inode to be freed */
struct xfs_bmap_free *flist, /* extents to free */
- int *deleted, /* set if inode cluster was deleted */
- xfs_ino_t *first_ino); /* first inode in deleted cluster */
+ struct xfs_icluster *ifree); /* cluster info if deleted */
/*
* Return the location of the inode in imap, for mapping it into a buffer.
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index d6ebc85192b7..11a8c28c47bd 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2239,9 +2239,9 @@ xfs_iunlink_remove(
*/
STATIC int
xfs_ifree_cluster(
- xfs_inode_t *free_ip,
- xfs_trans_t *tp,
- xfs_ino_t inum)
+ xfs_inode_t *free_ip,
+ xfs_trans_t *tp,
+ struct xfs_icluster *xic)
{
xfs_mount_t *mp = free_ip->i_mount;
int blks_per_cluster;
@@ -2254,13 +2254,26 @@ xfs_ifree_cluster(
xfs_inode_log_item_t *iip;
xfs_log_item_t *lip;
struct xfs_perag *pag;
+ xfs_ino_t inum;
+ inum = xic->first_ino;
pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, inum));
blks_per_cluster = xfs_icluster_size_fsb(mp);
inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog;
nbufs = mp->m_ialloc_blks / blks_per_cluster;
for (j = 0; j < nbufs; j++, inum += inodes_per_cluster) {
+ /*
+ * The allocation bitmap tells us which inodes of the chunk were
+ * physically allocated. Skip the cluster if an inode falls into
+ * a sparse region.
+ */
+ if ((xic->alloc & XFS_INOBT_MASK(inum - xic->first_ino)) == 0) {
+ ASSERT(((inum - xic->first_ino) %
+ inodes_per_cluster) == 0);
+ continue;
+ }
+
blkno = XFS_AGB_TO_DADDR(mp, XFS_INO_TO_AGNO(mp, inum),
XFS_INO_TO_AGBNO(mp, inum));
@@ -2418,8 +2431,7 @@ xfs_ifree(
xfs_bmap_free_t *flist)
{
int error;
- int delete;
- xfs_ino_t first_ino;
+ struct xfs_icluster xic = { 0 };
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(ip->i_d.di_nlink == 0);
@@ -2435,7 +2447,7 @@ xfs_ifree(
if (error)
return error;
- error = xfs_difree(tp, ip->i_ino, flist, &delete, &first_ino);
+ error = xfs_difree(tp, ip->i_ino, flist, &xic);
if (error)
return error;
@@ -2452,8 +2464,8 @@ xfs_ifree(
ip->i_d.di_gen++;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- if (delete)
- error = xfs_ifree_cluster(ip, tp, first_ino);
+ if (xic.deleted)
+ error = xfs_ifree_cluster(ip, tp, &xic);
return error;
}