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authorDave Chinner <dchinner@redhat.com>2010-06-24 11:35:17 +1000
committerDave Chinner <david@fromorbit.com>2010-06-24 11:35:17 +1000
commit7b6259e7a83647948fa33a736cc832310c8d85aa (patch)
tree99bb872b179a93f5e32b51f312029abb1237b055
parent1920779e67cbf5ea8afef317777c5bf2b8096188 (diff)
xfs: remove block number from inode lookup code
The block number comes from bulkstat based inode lookups to shortcut the mapping calculations. We ar enot able to trust anything from bulkstat, so drop the block number as well so that the correct lookups and mappings are always done. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--fs/xfs/linux-2.6/xfs_export.c2
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl32.c5
-rw-r--r--fs/xfs/quota/xfs_qm.c7
-rw-r--r--fs/xfs/quota/xfs_qm_syscalls.c11
-rw-r--r--fs/xfs/xfs_ialloc.c16
-rw-r--r--fs/xfs/xfs_iget.c10
-rw-r--r--fs/xfs/xfs_inode.c3
-rw-r--r--fs/xfs/xfs_inode.h4
-rw-r--r--fs/xfs/xfs_itable.c12
-rw-r--r--fs/xfs/xfs_itable.h3
-rw-r--r--fs/xfs/xfs_log_recover.c2
-rw-r--r--fs/xfs/xfs_mount.c2
-rw-r--r--fs/xfs/xfs_rtalloc.c4
-rw-r--r--fs/xfs/xfs_trans_inode.c2
-rw-r--r--fs/xfs/xfs_vnodeops.c2
15 files changed, 26 insertions, 59 deletions
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index 92c84a19cc9..e7839ee49e4 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -133,7 +133,7 @@ xfs_nfs_get_inode(
* send invalid file handles and we have to handle it gracefully..
*/
error = xfs_iget(mp, NULL, ino, XFS_IGET_UNTRUSTED,
- XFS_ILOCK_SHARED, &ip, 0);
+ XFS_ILOCK_SHARED, &ip);
if (error) {
/*
* EINVAL means the inode cluster doesn't exist anymore.
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index e1d8380b049..52ed49e6465 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -237,12 +237,11 @@ xfs_bulkstat_one_compat(
xfs_ino_t ino, /* inode number to get data for */
void __user *buffer, /* buffer to place output in */
int ubsize, /* size of buffer */
- xfs_daddr_t bno, /* starting bno of inode cluster */
int *ubused, /* bytes used by me */
int *stat) /* BULKSTAT_RV_... */
{
return xfs_bulkstat_one_int(mp, ino, buffer, ubsize,
- xfs_bulkstat_one_fmt_compat, bno,
+ xfs_bulkstat_one_fmt_compat,
ubused, stat);
}
@@ -296,7 +295,7 @@ xfs_compat_ioc_bulkstat(
int res;
error = xfs_bulkstat_one_compat(mp, inlast, bulkreq.ubuffer,
- sizeof(compat_xfs_bstat_t), 0, NULL, &res);
+ sizeof(compat_xfs_bstat_t), 0, &res);
} else if (cmd == XFS_IOC_FSBULKSTAT_32) {
error = xfs_bulkstat(mp, &inlast, &count,
xfs_bulkstat_one_compat, sizeof(compat_xfs_bstat_t),
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index f19f94c4cb9..8c117ff2e3a 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1632,7 +1632,6 @@ xfs_qm_dqusage_adjust(
xfs_ino_t ino, /* inode number to get data for */
void __user *buffer, /* not used */
int ubsize, /* not used */
- xfs_daddr_t bno, /* starting block of inode cluster */
int *ubused, /* not used */
int *res) /* result code value */
{
@@ -1658,7 +1657,7 @@ xfs_qm_dqusage_adjust(
* the case in all other instances. It's OK that we do this because
* quotacheck is done only at mount time.
*/
- if ((error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_EXCL, &ip, bno))) {
+ if ((error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_EXCL, &ip))) {
*res = BULKSTAT_RV_NOTHING;
return error;
}
@@ -1888,14 +1887,14 @@ xfs_qm_init_quotainos(
mp->m_sb.sb_uquotino != NULLFSINO) {
ASSERT(mp->m_sb.sb_uquotino > 0);
if ((error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
- 0, 0, &uip, 0)))
+ 0, 0, &uip)))
return XFS_ERROR(error);
}
if (XFS_IS_OQUOTA_ON(mp) &&
mp->m_sb.sb_gquotino != NULLFSINO) {
ASSERT(mp->m_sb.sb_gquotino > 0);
if ((error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
- 0, 0, &gip, 0))) {
+ 0, 0, &gip))) {
if (uip)
IRELE(uip);
return XFS_ERROR(error);
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 99a2d8e0f17..b4487764e92 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -262,7 +262,7 @@ xfs_qm_scall_trunc_qfiles(
}
if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) {
- error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0);
+ error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip);
if (!error) {
error = xfs_truncate_file(mp, qip);
IRELE(qip);
@@ -271,7 +271,7 @@ xfs_qm_scall_trunc_qfiles(
if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) &&
mp->m_sb.sb_gquotino != NULLFSINO) {
- error2 = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0);
+ error2 = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip);
if (!error2) {
error2 = xfs_truncate_file(mp, qip);
IRELE(qip);
@@ -417,12 +417,12 @@ xfs_qm_scall_getqstat(
}
if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
- 0, 0, &uip, 0) == 0)
+ 0, 0, &uip) == 0)
tempuqip = B_TRUE;
}
if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) {
if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
- 0, 0, &gip, 0) == 0)
+ 0, 0, &gip) == 0)
tempgqip = B_TRUE;
}
if (uip) {
@@ -1109,7 +1109,6 @@ xfs_qm_internalqcheck_adjust(
xfs_ino_t ino, /* inode number to get data for */
void __user *buffer, /* not used */
int ubsize, /* not used */
- xfs_daddr_t bno, /* starting block of inode cluster */
int *ubused, /* not used */
int *res) /* bulkstat result code */
{
@@ -1132,7 +1131,7 @@ xfs_qm_internalqcheck_adjust(
ipreleased = B_FALSE;
again:
lock_flags = XFS_ILOCK_SHARED;
- if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) {
+ if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip))) {
*res = BULKSTAT_RV_NOTHING;
return (error);
}
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index d8fd36685eb..c7142a064c4 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -1355,22 +1355,6 @@ xfs_imap(
}
/*
- * If we get a block number passed we can use it to
- * find the buffer easily.
- */
- if (imap->im_blkno) {
- offset = XFS_INO_TO_OFFSET(mp, ino);
- ASSERT(offset < mp->m_sb.sb_inopblock);
-
- cluster_agbno = xfs_daddr_to_agbno(mp, imap->im_blkno);
- offset += (agbno - cluster_agbno) * mp->m_sb.sb_inopblock;
-
- imap->im_len = XFS_FSB_TO_BB(mp, blks_per_cluster);
- imap->im_boffset = (ushort)(offset << mp->m_sb.sb_inodelog);
- return 0;
- }
-
- /*
* If the inode chunks are aligned then use simple maths to
* find the location. Otherwise we have to do a btree
* lookup to find the location.
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 75df75f43d4..8f8b91be2c9 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -259,7 +259,6 @@ xfs_iget_cache_miss(
xfs_trans_t *tp,
xfs_ino_t ino,
struct xfs_inode **ipp,
- xfs_daddr_t bno,
int flags,
int lock_flags)
{
@@ -272,7 +271,7 @@ xfs_iget_cache_miss(
if (!ip)
return ENOMEM;
- error = xfs_iread(mp, tp, ip, bno, flags);
+ error = xfs_iread(mp, tp, ip, flags);
if (error)
goto out_destroy;
@@ -358,8 +357,6 @@ out_destroy:
* within the file system for the inode being requested.
* lock_flags -- flags indicating how to lock the inode. See the comment
* for xfs_ilock() for a list of valid values.
- * bno -- the block number starting the buffer containing the inode,
- * if known (as by bulkstat), else 0.
*/
int
xfs_iget(
@@ -368,8 +365,7 @@ xfs_iget(
xfs_ino_t ino,
uint flags,
uint lock_flags,
- xfs_inode_t **ipp,
- xfs_daddr_t bno)
+ xfs_inode_t **ipp)
{
xfs_inode_t *ip;
int error;
@@ -397,7 +393,7 @@ again:
read_unlock(&pag->pag_ici_lock);
XFS_STATS_INC(xs_ig_missed);
- error = xfs_iget_cache_miss(mp, pag, tp, ino, &ip, bno,
+ error = xfs_iget_cache_miss(mp, pag, tp, ino, &ip,
flags, lock_flags);
if (error)
goto out_error_or_again;
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 12c277a5e98..b76a829d7e2 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -787,7 +787,6 @@ xfs_iread(
xfs_mount_t *mp,
xfs_trans_t *tp,
xfs_inode_t *ip,
- xfs_daddr_t bno,
uint iget_flags)
{
xfs_buf_t *bp;
@@ -797,11 +796,9 @@ xfs_iread(
/*
* Fill in the location information in the in-core inode.
*/
- ip->i_imap.im_blkno = bno;
error = xfs_imap(mp, tp, ip->i_ino, &ip->i_imap, iget_flags);
if (error)
return error;
- ASSERT(bno == 0 || bno == ip->i_imap.im_blkno);
/*
* Get pointers to the on-disk inode and the buffer containing it.
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 6b31b38244a..78550df13cd 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -442,7 +442,7 @@ static inline void xfs_ifunlock(xfs_inode_t *ip)
* xfs_iget.c prototypes.
*/
int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
- uint, uint, xfs_inode_t **, xfs_daddr_t);
+ uint, uint, xfs_inode_t **);
void xfs_iput(xfs_inode_t *, uint);
void xfs_iput_new(xfs_inode_t *, uint);
void xfs_ilock(xfs_inode_t *, uint);
@@ -509,7 +509,7 @@ int xfs_itobp(struct xfs_mount *, struct xfs_trans *,
struct xfs_inode *, struct xfs_dinode **,
struct xfs_buf **, uint);
int xfs_iread(struct xfs_mount *, struct xfs_trans *,
- struct xfs_inode *, xfs_daddr_t, uint);
+ struct xfs_inode *, uint);
void xfs_dinode_to_disk(struct xfs_dinode *,
struct xfs_icdinode *);
void xfs_idestroy_fork(struct xfs_inode *, int);
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 2acd12fd3f2..2b86f861051 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -60,7 +60,6 @@ xfs_bulkstat_one_int(
void __user *buffer, /* buffer to place output in */
int ubsize, /* size of buffer */
bulkstat_one_fmt_pf formatter, /* formatter, copy to user */
- xfs_daddr_t bno, /* starting bno of cluster */
int *ubused, /* bytes used by me */
int *stat) /* BULKSTAT_RV_... */
{
@@ -80,7 +79,7 @@ xfs_bulkstat_one_int(
return XFS_ERROR(ENOMEM);
error = xfs_iget(mp, NULL, ino,
- XFS_IGET_UNTRUSTED, XFS_ILOCK_SHARED, &ip, bno);
+ XFS_IGET_UNTRUSTED, XFS_ILOCK_SHARED, &ip);
if (error) {
*stat = BULKSTAT_RV_NOTHING;
goto out_free;
@@ -179,13 +178,11 @@ xfs_bulkstat_one(
xfs_ino_t ino, /* inode number to get data for */
void __user *buffer, /* buffer to place output in */
int ubsize, /* size of buffer */
- xfs_daddr_t bno, /* starting bno of inode cluster */
int *ubused, /* bytes used by me */
int *stat) /* BULKSTAT_RV_... */
{
return xfs_bulkstat_one_int(mp, ino, buffer, ubsize,
- xfs_bulkstat_one_fmt, bno,
- ubused, stat);
+ xfs_bulkstat_one_fmt, ubused, stat);
}
#define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size)
@@ -485,7 +482,7 @@ xfs_bulkstat(
* Get the inode and fill in a single buffer.
*/
ubused = statstruct_size;
- error = formatter(mp, ino, ubufp, ubleft, bno,
+ error = formatter(mp, ino, ubufp, ubleft,
&ubused, &fmterror);
if (fmterror == BULKSTAT_RV_NOTHING) {
if (error && error != ENOENT &&
@@ -578,8 +575,7 @@ xfs_bulkstat_single(
*/
ino = (xfs_ino_t)*lastinop;
- error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t),
- 0, NULL, &res);
+ error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t), 0, &res);
if (error) {
/*
* Special case way failed, do it the "long" way
diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h
index fea03397a3a..97295d91d17 100644
--- a/fs/xfs/xfs_itable.h
+++ b/fs/xfs/xfs_itable.h
@@ -27,7 +27,6 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount *mp,
xfs_ino_t ino,
void __user *buffer,
int ubsize,
- xfs_daddr_t bno,
int *ubused,
int *stat);
@@ -71,7 +70,6 @@ xfs_bulkstat_one_int(
void __user *buffer,
int ubsize,
bulkstat_one_fmt_pf formatter,
- xfs_daddr_t bno,
int *ubused,
int *stat);
@@ -81,7 +79,6 @@ xfs_bulkstat_one(
xfs_ino_t ino,
void __user *buffer,
int ubsize,
- xfs_daddr_t bno,
int *ubused,
int *stat);
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index ed0684cc50e..9ac5cfab27b 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3198,7 +3198,7 @@ xlog_recover_process_one_iunlink(
int error;
ino = XFS_AGINO_TO_INO(mp, agno, agino);
- error = xfs_iget(mp, NULL, ino, 0, 0, &ip, 0);
+ error = xfs_iget(mp, NULL, ino, 0, 0, &ip);
if (error)
goto fail;
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index d59f4e8bedc..69f62d8b281 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1300,7 +1300,7 @@ xfs_mountfs(
* Get and sanity-check the root inode.
* Save the pointer to it in the mount structure.
*/
- error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip, 0);
+ error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip);
if (error) {
cmn_err(CE_WARN, "XFS: failed to read root inode");
goto out_log_dealloc;
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 16445518506..a2d32ce335a 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -2277,12 +2277,12 @@ xfs_rtmount_inodes(
sbp = &mp->m_sb;
if (sbp->sb_rbmino == NULLFSINO)
return 0;
- error = xfs_iget(mp, NULL, sbp->sb_rbmino, 0, 0, &mp->m_rbmip, 0);
+ error = xfs_iget(mp, NULL, sbp->sb_rbmino, 0, 0, &mp->m_rbmip);
if (error)
return error;
ASSERT(mp->m_rbmip != NULL);
ASSERT(sbp->sb_rsumino != NULLFSINO);
- error = xfs_iget(mp, NULL, sbp->sb_rsumino, 0, 0, &mp->m_rsumip, 0);
+ error = xfs_iget(mp, NULL, sbp->sb_rsumino, 0, 0, &mp->m_rsumip);
if (error) {
IRELE(mp->m_rbmip);
return error;
diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index 785ff101da0..2559dfec946 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -62,7 +62,7 @@ xfs_trans_iget(
{
int error;
- error = xfs_iget(mp, tp, ino, flags, lock_flags, ipp, 0);
+ error = xfs_iget(mp, tp, ino, flags, lock_flags, ipp);
if (!error && tp)
xfs_trans_ijoin(tp, *ipp, lock_flags);
return error;
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index a06bd62504f..c1646838898 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -1269,7 +1269,7 @@ xfs_lookup(
if (error)
goto out;
- error = xfs_iget(dp->i_mount, NULL, inum, 0, 0, ipp, 0);
+ error = xfs_iget(dp->i_mount, NULL, inum, 0, 0, ipp);
if (error)
goto out_free_name;