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authorDarrick J. Wong <darrick.wong@oracle.com>2020-07-14 20:37:32 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2020-07-29 06:24:14 +0300
commit51dbb1be52fedfe7f612854bfcba3400043a7a75 (patch)
treed16d4c87479dfae48ef02e9314a6d17ed3b095e2
parent19dce7eaef7f8fdecab965afacc7a7bf3eb4e0a1 (diff)
downloadlinux-51dbb1be52fedfe7f612854bfcba3400043a7a75.tar.xz
xfs: remove qcore from incore dquots
Now that we've stopped using qcore entirely, drop it from the incore dquot. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--fs/xfs/libxfs/xfs_format.h7
-rw-r--r--fs/xfs/scrub/quota.c8
-rw-r--r--fs/xfs/xfs_dquot.c36
-rw-r--r--fs/xfs/xfs_dquot.h1
-rw-r--r--fs/xfs/xfs_qm.c4
-rw-r--r--fs/xfs/xfs_qm_syscalls.c9
6 files changed, 21 insertions, 44 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 4f665646ba7d..a534ebee92b9 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1150,10 +1150,9 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
#define XFS_DQUOT_VERSION (uint8_t)0x01 /* latest version number */
/*
- * This is the main portion of the on-disk representation of quota
- * information for a user. This is the q_core of the struct xfs_dquot that
- * is kept in kernel memory. We pad this with some more expansion room
- * to construct the on disk structure.
+ * This is the main portion of the on-disk representation of quota information
+ * for a user. We pad this with some more expansion room to construct the on
+ * disk structure.
*/
struct xfs_disk_dquot {
__be16 d_magic; /* dquot magic = XFS_DQUOT_MAGIC */
diff --git a/fs/xfs/scrub/quota.c b/fs/xfs/scrub/quota.c
index 20bc763e88b4..f4aad5b00188 100644
--- a/fs/xfs/scrub/quota.c
+++ b/fs/xfs/scrub/quota.c
@@ -79,7 +79,6 @@ xchk_quota_item(
struct xchk_quota_info *sqi = priv;
struct xfs_scrub *sc = sqi->sc;
struct xfs_mount *mp = sc->mp;
- struct xfs_disk_dquot *d = &dq->q_core;
struct xfs_quotainfo *qi = mp->m_quotainfo;
xfs_fileoff_t offset;
xfs_ino_t fs_icount;
@@ -98,13 +97,6 @@ xchk_quota_item(
sqi->last_id = dq->q_id;
- /* Did we get the dquot type we wanted? */
- if (dqtype != (d->d_flags & XFS_DQ_ALLTYPES))
- xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
-
- if (d->d_pad0 != cpu_to_be32(0) || d->d_pad != cpu_to_be16(0))
- xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
-
/*
* Warn if the hard limits are larger than the fs.
* Administrators can do this, though in production this seems
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index b094fc495407..6ed3cdeb67f0 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -529,7 +529,6 @@ xfs_dquot_from_disk(
}
/* copy everything from disk dquot to the incore dquot */
- memcpy(&dqp->q_core, ddqp, sizeof(struct xfs_disk_dquot));
dqp->q_blk.hardlimit = be64_to_cpu(ddqp->d_blk_hardlimit);
dqp->q_blk.softlimit = be64_to_cpu(ddqp->d_blk_softlimit);
dqp->q_ino.hardlimit = be64_to_cpu(ddqp->d_ino_hardlimit);
@@ -568,7 +567,13 @@ xfs_dquot_to_disk(
struct xfs_disk_dquot *ddqp,
struct xfs_dquot *dqp)
{
- memcpy(ddqp, &dqp->q_core, sizeof(struct xfs_disk_dquot));
+ ddqp->d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
+ ddqp->d_version = XFS_DQUOT_VERSION;
+ ddqp->d_flags = dqp->dq_flags & XFS_DQ_ALLTYPES;
+ ddqp->d_id = cpu_to_be32(dqp->q_id);
+ ddqp->d_pad0 = 0;
+ ddqp->d_pad = 0;
+
ddqp->d_blk_hardlimit = cpu_to_be64(dqp->q_blk.hardlimit);
ddqp->d_blk_softlimit = cpu_to_be64(dqp->q_blk.softlimit);
ddqp->d_ino_hardlimit = cpu_to_be64(dqp->q_ino.hardlimit);
@@ -1189,8 +1194,7 @@ xfs_qm_dqflush(
struct xfs_mount *mp = dqp->q_mount;
struct xfs_log_item *lip = &dqp->q_logitem.qli_item;
struct xfs_buf *bp;
- struct xfs_dqblk *dqb;
- struct xfs_disk_dquot *ddqp;
+ struct xfs_dqblk *dqblk;
xfs_failaddr_t fa;
int error;
@@ -1214,22 +1218,6 @@ xfs_qm_dqflush(
if (error)
goto out_abort;
- /*
- * Calculate the location of the dquot inside the buffer.
- */
- dqb = bp->b_addr + dqp->q_bufoffset;
- ddqp = &dqb->dd_diskdq;
-
- /* sanity check the in-core structure before we flush */
- fa = xfs_dquot_verify(mp, &dqp->q_core, dqp->q_id, 0);
- if (fa) {
- xfs_alert(mp, "corrupt dquot ID 0x%x in memory at %pS",
- dqp->q_id, fa);
- xfs_buf_relse(bp);
- error = -EFSCORRUPTED;
- goto out_abort;
- }
-
fa = xfs_qm_dqflush_check(dqp);
if (fa) {
xfs_alert(mp, "corrupt dquot ID 0x%x in memory at %pS",
@@ -1239,7 +1227,9 @@ xfs_qm_dqflush(
goto out_abort;
}
- xfs_dquot_to_disk(ddqp, dqp);
+ /* Flush the incore dquot to the ondisk buffer. */
+ dqblk = bp->b_addr + dqp->q_bufoffset;
+ xfs_dquot_to_disk(&dqblk->dd_diskdq, dqp);
/*
* Clear the dirty field and remember the flush lsn for later use.
@@ -1259,8 +1249,8 @@ xfs_qm_dqflush(
* of a dquot without an up-to-date CRC getting to disk.
*/
if (xfs_sb_version_hascrc(&mp->m_sb)) {
- dqb->dd_lsn = cpu_to_be64(dqp->q_logitem.qli_item.li_lsn);
- xfs_update_cksum((char *)dqb, sizeof(struct xfs_dqblk),
+ dqblk->dd_lsn = cpu_to_be64(dqp->q_logitem.qli_item.li_lsn);
+ xfs_update_cksum((char *)dqblk, sizeof(struct xfs_dqblk),
XFS_DQUOT_CRC_OFF);
}
diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h
index 69dbf3d95bf3..48fb0f263981 100644
--- a/fs/xfs/xfs_dquot.h
+++ b/fs/xfs/xfs_dquot.h
@@ -72,7 +72,6 @@ struct xfs_dquot {
struct xfs_dquot_res q_ino; /* inodes */
struct xfs_dquot_res q_rtb; /* realtime blocks */
- struct xfs_disk_dquot q_core;
struct xfs_dq_logitem q_logitem;
xfs_qcnt_t q_prealloc_lo_wmark;
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 73fa0b5d37b3..1ef666314fa8 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -161,7 +161,7 @@ xfs_qm_dqpurge(
xfs_dqfunlock(dqp);
xfs_dqunlock(dqp);
- radix_tree_delete(xfs_dquot_tree(qi, dqp->q_core.d_flags), dqp->q_id);
+ radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id);
qi->qi_dquots--;
/*
@@ -1588,7 +1588,7 @@ xfs_qm_dqfree_one(
struct xfs_quotainfo *qi = mp->m_quotainfo;
mutex_lock(&qi->qi_tree_lock);
- radix_tree_delete(xfs_dquot_tree(qi, dqp->q_core.d_flags), dqp->q_id);
+ radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id);
qi->qi_dquots--;
mutex_unlock(&qi->qi_tree_lock);
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 9e3507b083ce..d05b16ea78c5 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -638,12 +638,9 @@ xfs_qm_scall_getquota_fill_qc(
* gets turned off. No need to confuse the user level code,
* so return zeroes in that case.
*/
- if ((!XFS_IS_UQUOTA_ENFORCED(mp) &&
- dqp->q_core.d_flags == XFS_DQ_USER) ||
- (!XFS_IS_GQUOTA_ENFORCED(mp) &&
- dqp->q_core.d_flags == XFS_DQ_GROUP) ||
- (!XFS_IS_PQUOTA_ENFORCED(mp) &&
- dqp->q_core.d_flags == XFS_DQ_PROJ)) {
+ if ((!XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQ_USER) ||
+ (!XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQ_GROUP) ||
+ (!XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQ_PROJ)) {
dst->d_spc_timer = 0;
dst->d_ino_timer = 0;
dst->d_rt_spc_timer = 0;