diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_dquot_buf.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_dquot_buf.c | 174 |
1 files changed, 75 insertions, 99 deletions
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c index 747085b4ef44..8b7a6c3cb599 100644 --- a/fs/xfs/libxfs/xfs_dquot_buf.c +++ b/fs/xfs/libxfs/xfs_dquot_buf.c @@ -42,18 +42,14 @@ xfs_calc_dquots_per_chunk( /* * Do some primitive error checking on ondisk dquot data structures. */ -int -xfs_dqcheck( +xfs_failaddr_t +xfs_dquot_verify( struct xfs_mount *mp, xfs_disk_dquot_t *ddq, xfs_dqid_t id, uint type, /* used only when IO_dorepair is true */ - uint flags, - const char *str) + uint flags) { - xfs_dqblk_t *d = (xfs_dqblk_t *)ddq; - int errs = 0; - /* * We can encounter an uninitialized dquot buffer for 2 reasons: * 1. If we crash while deleting the quotainode(s), and those blks got @@ -69,87 +65,57 @@ xfs_dqcheck( * This is all fine; things are still consistent, and we haven't lost * any quota information. Just don't complain about bad dquot blks. */ - if (ddq->d_magic != cpu_to_be16(XFS_DQUOT_MAGIC)) { - if (flags & XFS_QMOPT_DOWARN) - xfs_alert(mp, - "%s : XFS dquot ID 0x%x, magic 0x%x != 0x%x", - str, id, be16_to_cpu(ddq->d_magic), XFS_DQUOT_MAGIC); - errs++; - } - if (ddq->d_version != XFS_DQUOT_VERSION) { - if (flags & XFS_QMOPT_DOWARN) - xfs_alert(mp, - "%s : XFS dquot ID 0x%x, version 0x%x != 0x%x", - str, id, ddq->d_version, XFS_DQUOT_VERSION); - errs++; - } + if (ddq->d_magic != cpu_to_be16(XFS_DQUOT_MAGIC)) + return __this_address; + if (ddq->d_version != XFS_DQUOT_VERSION) + return __this_address; if (ddq->d_flags != XFS_DQ_USER && ddq->d_flags != XFS_DQ_PROJ && - ddq->d_flags != XFS_DQ_GROUP) { - if (flags & XFS_QMOPT_DOWARN) - xfs_alert(mp, - "%s : XFS dquot ID 0x%x, unknown flags 0x%x", - str, id, ddq->d_flags); - errs++; - } + ddq->d_flags != XFS_DQ_GROUP) + return __this_address; - if (id != -1 && id != be32_to_cpu(ddq->d_id)) { - if (flags & XFS_QMOPT_DOWARN) - xfs_alert(mp, - "%s : ondisk-dquot 0x%p, ID mismatch: " - "0x%x expected, found id 0x%x", - str, ddq, id, be32_to_cpu(ddq->d_id)); - errs++; - } + if (id != -1 && id != be32_to_cpu(ddq->d_id)) + return __this_address; - if (!errs && ddq->d_id) { - if (ddq->d_blk_softlimit && - be64_to_cpu(ddq->d_bcount) > - be64_to_cpu(ddq->d_blk_softlimit)) { - if (!ddq->d_btimer) { - if (flags & XFS_QMOPT_DOWARN) - xfs_alert(mp, - "%s : Dquot ID 0x%x (0x%p) BLK TIMER NOT STARTED", - str, (int)be32_to_cpu(ddq->d_id), ddq); - errs++; - } - } - if (ddq->d_ino_softlimit && - be64_to_cpu(ddq->d_icount) > - be64_to_cpu(ddq->d_ino_softlimit)) { - if (!ddq->d_itimer) { - if (flags & XFS_QMOPT_DOWARN) - xfs_alert(mp, - "%s : Dquot ID 0x%x (0x%p) INODE TIMER NOT STARTED", - str, (int)be32_to_cpu(ddq->d_id), ddq); - errs++; - } - } - if (ddq->d_rtb_softlimit && - be64_to_cpu(ddq->d_rtbcount) > - be64_to_cpu(ddq->d_rtb_softlimit)) { - if (!ddq->d_rtbtimer) { - if (flags & XFS_QMOPT_DOWARN) - xfs_alert(mp, - "%s : Dquot ID 0x%x (0x%p) RTBLK TIMER NOT STARTED", - str, (int)be32_to_cpu(ddq->d_id), ddq); - errs++; - } - } - } + if (!ddq->d_id) + return NULL; + + if (ddq->d_blk_softlimit && + be64_to_cpu(ddq->d_bcount) > be64_to_cpu(ddq->d_blk_softlimit) && + !ddq->d_btimer) + return __this_address; + + if (ddq->d_ino_softlimit && + be64_to_cpu(ddq->d_icount) > be64_to_cpu(ddq->d_ino_softlimit) && + !ddq->d_itimer) + return __this_address; - if (!errs || !(flags & XFS_QMOPT_DQREPAIR)) - return errs; + if (ddq->d_rtb_softlimit && + be64_to_cpu(ddq->d_rtbcount) > be64_to_cpu(ddq->d_rtb_softlimit) && + !ddq->d_rtbtimer) + return __this_address; + + return NULL; +} + +/* + * Do some primitive error checking on ondisk dquot data structures. + */ +int +xfs_dquot_repair( + struct xfs_mount *mp, + struct xfs_disk_dquot *ddq, + xfs_dqid_t id, + uint type) +{ + struct xfs_dqblk *d = (struct xfs_dqblk *)ddq; - if (flags & XFS_QMOPT_DOWARN) - xfs_notice(mp, "Re-initializing dquot ID 0x%x", id); /* * Typically, a repair is only requested by quotacheck. */ ASSERT(id != -1); - ASSERT(flags & XFS_QMOPT_DQREPAIR); memset(d, 0, sizeof(xfs_dqblk_t)); d->dd_diskdq.d_magic = cpu_to_be16(XFS_DQUOT_MAGIC); @@ -163,7 +129,7 @@ xfs_dqcheck( XFS_DQUOT_CRC_OFF); } - return errs; + return 0; } STATIC bool @@ -198,13 +164,13 @@ xfs_dquot_buf_verify_crc( return true; } -STATIC bool +STATIC xfs_failaddr_t xfs_dquot_buf_verify( struct xfs_mount *mp, - struct xfs_buf *bp, - int warn) + struct xfs_buf *bp) { struct xfs_dqblk *d = (struct xfs_dqblk *)bp->b_addr; + xfs_failaddr_t fa; xfs_dqid_t id = 0; int ndquots; int i; @@ -228,33 +194,43 @@ xfs_dquot_buf_verify( */ for (i = 0; i < ndquots; i++) { struct xfs_disk_dquot *ddq; - int error; ddq = &d[i].dd_diskdq; if (i == 0) id = be32_to_cpu(ddq->d_id); - error = xfs_dqcheck(mp, ddq, id + i, 0, warn, __func__); - if (error) - return false; + fa = xfs_dquot_verify(mp, ddq, id + i, 0, 0); + if (fa) + return fa; } - return true; + + return NULL; +} + +static xfs_failaddr_t +xfs_dquot_buf_verify_struct( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + + return xfs_dquot_buf_verify(mp, bp); } static void xfs_dquot_buf_read_verify( - struct xfs_buf *bp) + struct xfs_buf *bp) { struct xfs_mount *mp = bp->b_target->bt_mount; + xfs_failaddr_t fa; if (!xfs_dquot_buf_verify_crc(mp, bp)) - xfs_buf_ioerror(bp, -EFSBADCRC); - else if (!xfs_dquot_buf_verify(mp, bp, XFS_QMOPT_DOWARN)) - xfs_buf_ioerror(bp, -EFSCORRUPTED); - - if (bp->b_error) - xfs_verifier_error(bp); + xfs_verifier_error(bp, -EFSBADCRC, __this_address); + else { + fa = xfs_dquot_buf_verify(mp, bp); + if (fa) + xfs_verifier_error(bp, -EFSCORRUPTED, __this_address); + } } /* @@ -270,7 +246,7 @@ xfs_dquot_buf_readahead_verify( struct xfs_mount *mp = bp->b_target->bt_mount; if (!xfs_dquot_buf_verify_crc(mp, bp) || - !xfs_dquot_buf_verify(mp, bp, 0)) { + xfs_dquot_buf_verify(mp, bp) != NULL) { xfs_buf_ioerror(bp, -EIO); bp->b_flags &= ~XBF_DONE; } @@ -283,21 +259,21 @@ xfs_dquot_buf_readahead_verify( */ static void xfs_dquot_buf_write_verify( - struct xfs_buf *bp) + struct xfs_buf *bp) { struct xfs_mount *mp = bp->b_target->bt_mount; + xfs_failaddr_t fa; - if (!xfs_dquot_buf_verify(mp, bp, XFS_QMOPT_DOWARN)) { - xfs_buf_ioerror(bp, -EFSCORRUPTED); - xfs_verifier_error(bp); - return; - } + fa = xfs_dquot_buf_verify(mp, bp); + if (fa) + xfs_verifier_error(bp, -EFSCORRUPTED, __this_address); } const struct xfs_buf_ops xfs_dquot_buf_ops = { .name = "xfs_dquot", .verify_read = xfs_dquot_buf_read_verify, .verify_write = xfs_dquot_buf_write_verify, + .verify_struct = xfs_dquot_buf_verify_struct, }; const struct xfs_buf_ops xfs_dquot_buf_ra_ops = { |