summaryrefslogtreecommitdiff
path: root/fs/xfs/libxfs/xfs_dir2_block.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/libxfs/xfs_dir2_block.c')
-rw-r--r--fs/xfs/libxfs/xfs_dir2_block.c88
1 files changed, 47 insertions, 41 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index 5b59d3f7746b..0f93ed1a4a74 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -20,6 +20,7 @@
#include "xfs_error.h"
#include "xfs_trace.h"
#include "xfs_log.h"
+#include "xfs_health.h"
/*
* Local function prototypes.
@@ -53,10 +54,10 @@ xfs_dir3_block_verify(
if (!xfs_verify_magic(bp, hdr3->magic))
return __this_address;
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (xfs_has_crc(mp)) {
if (!uuid_equal(&hdr3->uuid, &mp->m_sb.sb_meta_uuid))
return __this_address;
- if (be64_to_cpu(hdr3->blkno) != bp->b_bn)
+ if (be64_to_cpu(hdr3->blkno) != xfs_buf_daddr(bp))
return __this_address;
if (!xfs_log_check_lsn(mp, be64_to_cpu(hdr3->lsn)))
return __this_address;
@@ -71,7 +72,7 @@ xfs_dir3_block_read_verify(
struct xfs_mount *mp = bp->b_mount;
xfs_failaddr_t fa;
- if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ if (xfs_has_crc(mp) &&
!xfs_buf_verify_cksum(bp, XFS_DIR3_DATA_CRC_OFF))
xfs_verifier_error(bp, -EFSBADCRC, __this_address);
else {
@@ -96,7 +97,7 @@ xfs_dir3_block_write_verify(
return;
}
- if (!xfs_sb_version_hascrc(&mp->m_sb))
+ if (!xfs_has_crc(mp))
return;
if (bip)
@@ -114,17 +115,20 @@ const struct xfs_buf_ops xfs_dir3_block_buf_ops = {
.verify_struct = xfs_dir3_block_verify,
};
-static xfs_failaddr_t
+xfs_failaddr_t
xfs_dir3_block_header_check(
- struct xfs_inode *dp,
- struct xfs_buf *bp)
+ struct xfs_buf *bp,
+ xfs_ino_t owner)
{
- struct xfs_mount *mp = dp->i_mount;
+ struct xfs_mount *mp = bp->b_mount;
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (xfs_has_crc(mp)) {
struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
- if (be64_to_cpu(hdr3->owner) != dp->i_ino)
+ if (hdr3->magic != cpu_to_be32(XFS_DIR3_BLOCK_MAGIC))
+ return __this_address;
+
+ if (be64_to_cpu(hdr3->owner) != owner)
return __this_address;
}
@@ -135,6 +139,7 @@ int
xfs_dir3_block_read(
struct xfs_trans *tp,
struct xfs_inode *dp,
+ xfs_ino_t owner,
struct xfs_buf **bpp)
{
struct xfs_mount *mp = dp->i_mount;
@@ -147,11 +152,12 @@ xfs_dir3_block_read(
return err;
/* Check things that we can't do in the verifier. */
- fa = xfs_dir3_block_header_check(dp, *bpp);
+ fa = xfs_dir3_block_header_check(*bpp, owner);
if (fa) {
__xfs_buf_mark_corrupt(*bpp, fa);
xfs_trans_brelse(tp, *bpp);
*bpp = NULL;
+ xfs_dirattr_mark_sick(dp, XFS_DATA_FORK);
return -EFSCORRUPTED;
}
@@ -161,21 +167,22 @@ xfs_dir3_block_read(
static void
xfs_dir3_block_init(
- struct xfs_mount *mp,
- struct xfs_trans *tp,
- struct xfs_buf *bp,
- struct xfs_inode *dp)
+ struct xfs_da_args *args,
+ struct xfs_buf *bp)
{
- struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
+ struct xfs_trans *tp = args->trans;
+ struct xfs_inode *dp = args->dp;
+ struct xfs_mount *mp = dp->i_mount;
+ struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
bp->b_ops = &xfs_dir3_block_buf_ops;
xfs_trans_buf_set_type(tp, bp, XFS_BLFT_DIR_BLOCK_BUF);
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (xfs_has_crc(mp)) {
memset(hdr3, 0, sizeof(*hdr3));
hdr3->magic = cpu_to_be32(XFS_DIR3_BLOCK_MAGIC);
- hdr3->blkno = cpu_to_be64(bp->b_bn);
- hdr3->owner = cpu_to_be64(dp->i_ino);
+ hdr3->blkno = cpu_to_be64(xfs_buf_daddr(bp));
+ hdr3->owner = cpu_to_be64(args->owner);
uuid_copy(&hdr3->uuid, &mp->m_sb.sb_meta_uuid);
return;
@@ -380,7 +387,7 @@ xfs_dir2_block_addname(
tp = args->trans;
/* Read the (one and only) directory block into bp. */
- error = xfs_dir3_block_read(tp, dp, &bp);
+ error = xfs_dir3_block_read(tp, dp, args->owner, &bp);
if (error)
return error;
@@ -695,7 +702,7 @@ xfs_dir2_block_lookup_int(
dp = args->dp;
tp = args->trans;
- error = xfs_dir3_block_read(tp, dp, &bp);
+ error = xfs_dir3_block_read(tp, dp, args->owner, &bp);
if (error)
return error;
@@ -842,7 +849,7 @@ xfs_dir2_block_removename(
* See if the size as a shortform is good enough.
*/
size = xfs_dir2_block_sfsize(dp, hdr, &sfh);
- if (size > XFS_IFORK_DSIZE(dp))
+ if (size > xfs_inode_data_fork_size(dp))
return 0;
/*
@@ -961,7 +968,7 @@ xfs_dir2_leaf_to_block(
* been left behind during no-space-reservation operations.
* These will show up in the leaf bests table.
*/
- while (dp->i_d.di_size > args->geo->blksize) {
+ while (dp->i_disk_size > args->geo->blksize) {
int hdrsz;
hdrsz = args->geo->data_entry_offset;
@@ -979,7 +986,8 @@ xfs_dir2_leaf_to_block(
* Read the data block if we don't already have it, give up if it fails.
*/
if (!dbp) {
- error = xfs_dir3_data_read(tp, dp, args->geo->datablk, 0, &dbp);
+ error = xfs_dir3_data_read(tp, dp, args->owner,
+ args->geo->datablk, 0, &dbp);
if (error)
return error;
}
@@ -1007,7 +1015,7 @@ xfs_dir2_leaf_to_block(
/*
* Start converting it to block form.
*/
- xfs_dir3_block_init(mp, tp, dbp, dp);
+ xfs_dir3_block_init(args, dbp);
needlog = 1;
needscan = 0;
@@ -1055,7 +1063,7 @@ xfs_dir2_leaf_to_block(
* Now see if the resulting block can be shrunken to shortform.
*/
size = xfs_dir2_block_sfsize(dp, hdr, &sfh);
- if (size > XFS_IFORK_DSIZE(dp))
+ if (size > xfs_inode_data_fork_size(dp))
return 0;
return xfs_dir2_block_to_sf(args, dbp, size, &sfh);
@@ -1071,7 +1079,7 @@ xfs_dir2_sf_to_block(
struct xfs_trans *tp = args->trans;
struct xfs_inode *dp = args->dp;
struct xfs_mount *mp = dp->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(dp, XFS_DATA_FORK);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(dp, XFS_DATA_FORK);
struct xfs_da_geometry *geo = args->geo;
xfs_dir2_db_t blkno; /* dir-relative block # (0) */
xfs_dir2_data_hdr_t *hdr; /* block header */
@@ -1089,33 +1097,31 @@ xfs_dir2_sf_to_block(
int newoffset; /* offset from current entry */
unsigned int offset = geo->data_entry_offset;
xfs_dir2_sf_entry_t *sfep; /* sf entry pointer */
- xfs_dir2_sf_hdr_t *oldsfp; /* old shortform header */
+ struct xfs_dir2_sf_hdr *oldsfp = ifp->if_data;
xfs_dir2_sf_hdr_t *sfp; /* shortform header */
__be16 *tagp; /* end of data entry */
struct xfs_name name;
trace_xfs_dir2_sf_to_block(args);
- ASSERT(ifp->if_flags & XFS_IFINLINE);
- ASSERT(dp->i_d.di_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
-
- oldsfp = (xfs_dir2_sf_hdr_t *)ifp->if_u1.if_data;
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);
+ ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent));
- ASSERT(ifp->if_bytes == dp->i_d.di_size);
- ASSERT(ifp->if_u1.if_data != NULL);
- ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(oldsfp->i8count));
+ ASSERT(ifp->if_bytes == dp->i_disk_size);
+ ASSERT(oldsfp != NULL);
+ ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(oldsfp->i8count));
ASSERT(dp->i_df.if_nextents == 0);
/*
* Copy the directory into a temporary buffer.
* Then pitch the incore inode data so we can make extents.
*/
- sfp = kmem_alloc(ifp->if_bytes, 0);
+ sfp = kmalloc(ifp->if_bytes, GFP_KERNEL | __GFP_NOFAIL);
memcpy(sfp, oldsfp, ifp->if_bytes);
xfs_idata_realloc(dp, -ifp->if_bytes, XFS_DATA_FORK);
xfs_bmap_local_to_extents_empty(tp, dp, XFS_DATA_FORK);
- dp->i_d.di_size = 0;
+ dp->i_disk_size = 0;
/*
* Add block 0 to the inode.
@@ -1129,7 +1135,7 @@ xfs_dir2_sf_to_block(
error = xfs_dir3_data_init(args, blkno, &bp);
if (error)
goto out_free;
- xfs_dir3_block_init(mp, tp, bp, dp);
+ xfs_dir3_block_init(args, bp);
hdr = bp->b_addr;
/*
@@ -1169,7 +1175,7 @@ xfs_dir2_sf_to_block(
* Create entry for .
*/
dep = bp->b_addr + offset;
- dep->inumber = cpu_to_be64(dp->i_ino);
+ dep->inumber = cpu_to_be64(args->owner);
dep->namelen = 1;
dep->name[0] = '.';
xfs_dir2_data_put_ftype(mp, dep, XFS_DIR3_FT_DIR);
@@ -1255,7 +1261,7 @@ xfs_dir2_sf_to_block(
sfep = xfs_dir2_sf_nextentry(mp, sfp, sfep);
}
/* Done with the temporary buffer */
- kmem_free(sfp);
+ kfree(sfp);
/*
* Sort the leaf entries by hash value.
*/
@@ -1270,6 +1276,6 @@ xfs_dir2_sf_to_block(
xfs_dir3_data_check(dp, bp);
return 0;
out_free:
- kmem_free(sfp);
+ kfree(sfp);
return error;
}