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path: root/fs/xfs/xfs_dquot.c
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Diffstat (limited to 'fs/xfs/xfs_dquot.c')
-rw-r--r--fs/xfs/xfs_dquot.c57
1 files changed, 37 insertions, 20 deletions
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index ff982d983989..6ec4087e38df 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -1239,6 +1239,42 @@ xfs_qm_dqflush_check(
}
/*
+ * Get the buffer containing the on-disk dquot.
+ *
+ * Requires dquot flush lock, will clear the dirty flag, delete the quota log
+ * item from the AIL, and shut down the system if something goes wrong.
+ */
+int
+xfs_dquot_read_buf(
+ struct xfs_trans *tp,
+ struct xfs_dquot *dqp,
+ struct xfs_buf **bpp)
+{
+ struct xfs_mount *mp = dqp->q_mount;
+ struct xfs_buf *bp = NULL;
+ int error;
+
+ error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, dqp->q_blkno,
+ mp->m_quotainfo->qi_dqchunklen, XBF_TRYLOCK,
+ &bp, &xfs_dquot_buf_ops);
+ if (error == -EAGAIN)
+ return error;
+ if (xfs_metadata_is_sick(error))
+ xfs_dquot_mark_sick(dqp);
+ if (error)
+ goto out_abort;
+
+ *bpp = bp;
+ return 0;
+
+out_abort:
+ dqp->q_flags &= ~XFS_DQFLAG_DIRTY;
+ xfs_trans_ail_delete(&dqp->q_logitem.qli_item, 0);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ return error;
+}
+
+/*
* Write a modified dquot to disk.
* The dquot must be locked and the flush lock too taken by caller.
* The flush lock will not be unlocked until the dquot reaches the disk,
@@ -1249,11 +1285,10 @@ xfs_qm_dqflush_check(
int
xfs_qm_dqflush(
struct xfs_dquot *dqp,
- struct xfs_buf **bpp)
+ struct xfs_buf *bp)
{
struct xfs_mount *mp = dqp->q_mount;
struct xfs_log_item *lip = &dqp->q_logitem.qli_item;
- struct xfs_buf *bp;
struct xfs_dqblk *dqblk;
xfs_failaddr_t fa;
int error;
@@ -1263,28 +1298,12 @@ xfs_qm_dqflush(
trace_xfs_dqflush(dqp);
- *bpp = NULL;
-
xfs_qm_dqunpin_wait(dqp);
- /*
- * Get the buffer containing the on-disk dquot
- */
- error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dqp->q_blkno,
- mp->m_quotainfo->qi_dqchunklen, XBF_TRYLOCK,
- &bp, &xfs_dquot_buf_ops);
- if (error == -EAGAIN)
- goto out_unlock;
- if (xfs_metadata_is_sick(error))
- xfs_dquot_mark_sick(dqp);
- if (error)
- goto out_abort;
-
fa = xfs_qm_dqflush_check(dqp);
if (fa) {
xfs_alert(mp, "corrupt dquot ID 0x%x in memory at %pS",
dqp->q_id, fa);
- xfs_buf_relse(bp);
xfs_dquot_mark_sick(dqp);
error = -EFSCORRUPTED;
goto out_abort;
@@ -1334,14 +1353,12 @@ xfs_qm_dqflush(
}
trace_xfs_dqflush_done(dqp);
- *bpp = bp;
return 0;
out_abort:
dqp->q_flags &= ~XFS_DQFLAG_DIRTY;
xfs_trans_ail_delete(lip, 0);
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
-out_unlock:
xfs_dqfunlock(dqp);
return error;
}