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-rw-r--r--fs/xfs/xfs_bmap.c32
-rw-r--r--fs/xfs/xfs_bmap_util.c14
-rw-r--r--fs/xfs/xfs_buf.c37
-rw-r--r--fs/xfs/xfs_buf.h11
-rw-r--r--fs/xfs/xfs_buf_item.c21
-rw-r--r--fs/xfs/xfs_dir2_node.c26
-rw-r--r--fs/xfs/xfs_iops.c3
-rw-r--r--fs/xfs/xfs_log_recover.c13
-rw-r--r--fs/xfs/xfs_qm.c80
-rw-r--r--fs/xfs/xfs_trans_buf.c13
10 files changed, 167 insertions, 83 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 3ef11b22e750..3b2c14b6f0fb 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -1635,7 +1635,7 @@ xfs_bmap_last_extent(
* blocks at the end of the file which do not start at the previous data block,
* we will try to align the new blocks at stripe unit boundaries.
*
- * Returns 0 in bma->aeof if the file (fork) is empty as any new write will be
+ * Returns 1 in bma->aeof if the file (fork) is empty as any new write will be
* at, or past the EOF.
*/
STATIC int
@@ -1650,9 +1650,14 @@ xfs_bmap_isaeof(
bma->aeof = 0;
error = xfs_bmap_last_extent(NULL, bma->ip, whichfork, &rec,
&is_empty);
- if (error || is_empty)
+ if (error)
return error;
+ if (is_empty) {
+ bma->aeof = 1;
+ return 0;
+ }
+
/*
* Check if we are allocation or past the last extent, or at least into
* the last delayed allocated extent.
@@ -3643,10 +3648,19 @@ xfs_bmap_btalloc(
int isaligned;
int tryagain;
int error;
+ int stripe_align;
ASSERT(ap->length);
mp = ap->ip->i_mount;
+
+ /* stripe alignment for allocation is determined by mount parameters */
+ stripe_align = 0;
+ if (mp->m_swidth && (mp->m_flags & XFS_MOUNT_SWALLOC))
+ stripe_align = mp->m_swidth;
+ else if (mp->m_dalign)
+ stripe_align = mp->m_dalign;
+
align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0;
if (unlikely(align)) {
error = xfs_bmap_extsize_align(mp, &ap->got, &ap->prev,
@@ -3655,6 +3669,8 @@ xfs_bmap_btalloc(
ASSERT(!error);
ASSERT(ap->length);
}
+
+
nullfb = *ap->firstblock == NULLFSBLOCK;
fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, *ap->firstblock);
if (nullfb) {
@@ -3730,7 +3746,7 @@ xfs_bmap_btalloc(
*/
if (!ap->flist->xbf_low && ap->aeof) {
if (!ap->offset) {
- args.alignment = mp->m_dalign;
+ args.alignment = stripe_align;
atype = args.type;
isaligned = 1;
/*
@@ -3755,13 +3771,13 @@ xfs_bmap_btalloc(
* of minlen+alignment+slop doesn't go up
* between the calls.
*/
- if (blen > mp->m_dalign && blen <= args.maxlen)
- nextminlen = blen - mp->m_dalign;
+ if (blen > stripe_align && blen <= args.maxlen)
+ nextminlen = blen - stripe_align;
else
nextminlen = args.minlen;
- if (nextminlen + mp->m_dalign > args.minlen + 1)
+ if (nextminlen + stripe_align > args.minlen + 1)
args.minalignslop =
- nextminlen + mp->m_dalign -
+ nextminlen + stripe_align -
args.minlen - 1;
else
args.minalignslop = 0;
@@ -3783,7 +3799,7 @@ xfs_bmap_btalloc(
*/
args.type = atype;
args.fsbno = ap->blkno;
- args.alignment = mp->m_dalign;
+ args.alignment = stripe_align;
args.minlen = nextminlen;
args.minalignslop = 0;
isaligned = 1;
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 5887e41c0323..1394106ed22d 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -1187,7 +1187,12 @@ xfs_zero_remaining_bytes(
XFS_BUF_UNWRITE(bp);
XFS_BUF_READ(bp);
XFS_BUF_SET_ADDR(bp, xfs_fsb_to_db(ip, imap.br_startblock));
- xfsbdstrat(mp, bp);
+
+ if (XFS_FORCED_SHUTDOWN(mp)) {
+ error = XFS_ERROR(EIO);
+ break;
+ }
+ xfs_buf_iorequest(bp);
error = xfs_buf_iowait(bp);
if (error) {
xfs_buf_ioerror_alert(bp,
@@ -1200,7 +1205,12 @@ xfs_zero_remaining_bytes(
XFS_BUF_UNDONE(bp);
XFS_BUF_UNREAD(bp);
XFS_BUF_WRITE(bp);
- xfsbdstrat(mp, bp);
+
+ if (XFS_FORCED_SHUTDOWN(mp)) {
+ error = XFS_ERROR(EIO);
+ break;
+ }
+ xfs_buf_iorequest(bp);
error = xfs_buf_iowait(bp);
if (error) {
xfs_buf_ioerror_alert(bp,
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index c7f0b77dcb00..afe7645e4b2b 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -698,7 +698,11 @@ xfs_buf_read_uncached(
bp->b_flags |= XBF_READ;
bp->b_ops = ops;
- xfsbdstrat(target->bt_mount, bp);
+ if (XFS_FORCED_SHUTDOWN(target->bt_mount)) {
+ xfs_buf_relse(bp);
+ return NULL;
+ }
+ xfs_buf_iorequest(bp);
xfs_buf_iowait(bp);
return bp;
}
@@ -1089,7 +1093,7 @@ xfs_bioerror(
* This is meant for userdata errors; metadata bufs come with
* iodone functions attached, so that we can track down errors.
*/
-STATIC int
+int
xfs_bioerror_relse(
struct xfs_buf *bp)
{
@@ -1152,7 +1156,7 @@ xfs_bwrite(
ASSERT(xfs_buf_islocked(bp));
bp->b_flags |= XBF_WRITE;
- bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q);
+ bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q | XBF_WRITE_FAIL);
xfs_bdstrat_cb(bp);
@@ -1164,25 +1168,6 @@ xfs_bwrite(
return error;
}
-/*
- * Wrapper around bdstrat so that we can stop data from going to disk in case
- * we are shutting down the filesystem. Typically user data goes thru this
- * path; one of the exceptions is the superblock.
- */
-void
-xfsbdstrat(
- struct xfs_mount *mp,
- struct xfs_buf *bp)
-{
- if (XFS_FORCED_SHUTDOWN(mp)) {
- trace_xfs_bdstrat_shut(bp, _RET_IP_);
- xfs_bioerror_relse(bp);
- return;
- }
-
- xfs_buf_iorequest(bp);
-}
-
STATIC void
_xfs_buf_ioend(
xfs_buf_t *bp,
@@ -1516,6 +1501,12 @@ xfs_wait_buftarg(
struct xfs_buf *bp;
bp = list_first_entry(&dispose, struct xfs_buf, b_lru);
list_del_init(&bp->b_lru);
+ if (bp->b_flags & XBF_WRITE_FAIL) {
+ xfs_alert(btp->bt_mount,
+"Corruption Alert: Buffer at block 0x%llx had permanent write failures!\n"
+"Please run xfs_repair to determine the extent of the problem.",
+ (long long)bp->b_bn);
+ }
xfs_buf_rele(bp);
}
if (loop++ != 0)
@@ -1799,7 +1790,7 @@ __xfs_buf_delwri_submit(
blk_start_plug(&plug);
list_for_each_entry_safe(bp, n, io_list, b_list) {
- bp->b_flags &= ~(_XBF_DELWRI_Q | XBF_ASYNC);
+ bp->b_flags &= ~(_XBF_DELWRI_Q | XBF_ASYNC | XBF_WRITE_FAIL);
bp->b_flags |= XBF_WRITE;
if (!wait) {
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index e65683361017..1cf21a4a9f22 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -45,6 +45,7 @@ typedef enum {
#define XBF_ASYNC (1 << 4) /* initiator will not wait for completion */
#define XBF_DONE (1 << 5) /* all pages in the buffer uptodate */
#define XBF_STALE (1 << 6) /* buffer has been staled, do not find it */
+#define XBF_WRITE_FAIL (1 << 24)/* async writes have failed on this buffer */
/* I/O hints for the BIO layer */
#define XBF_SYNCIO (1 << 10)/* treat this buffer as synchronous I/O */
@@ -70,6 +71,7 @@ typedef unsigned int xfs_buf_flags_t;
{ XBF_ASYNC, "ASYNC" }, \
{ XBF_DONE, "DONE" }, \
{ XBF_STALE, "STALE" }, \
+ { XBF_WRITE_FAIL, "WRITE_FAIL" }, \
{ XBF_SYNCIO, "SYNCIO" }, \
{ XBF_FUA, "FUA" }, \
{ XBF_FLUSH, "FLUSH" }, \
@@ -80,6 +82,7 @@ typedef unsigned int xfs_buf_flags_t;
{ _XBF_DELWRI_Q, "DELWRI_Q" }, \
{ _XBF_COMPOUND, "COMPOUND" }
+
/*
* Internal state flags.
*/
@@ -269,9 +272,6 @@ extern void xfs_buf_unlock(xfs_buf_t *);
/* Buffer Read and Write Routines */
extern int xfs_bwrite(struct xfs_buf *bp);
-
-extern void xfsbdstrat(struct xfs_mount *, struct xfs_buf *);
-
extern void xfs_buf_ioend(xfs_buf_t *, int);
extern void xfs_buf_ioerror(xfs_buf_t *, int);
extern void xfs_buf_ioerror_alert(struct xfs_buf *, const char *func);
@@ -282,6 +282,8 @@ extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *,
#define xfs_buf_zero(bp, off, len) \
xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
+extern int xfs_bioerror_relse(struct xfs_buf *);
+
static inline int xfs_buf_geterror(xfs_buf_t *bp)
{
return bp ? bp->b_error : ENOMEM;
@@ -301,7 +303,8 @@ extern void xfs_buf_terminate(void);
#define XFS_BUF_ZEROFLAGS(bp) \
((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC| \
- XBF_SYNCIO|XBF_FUA|XBF_FLUSH))
+ XBF_SYNCIO|XBF_FUA|XBF_FLUSH| \
+ XBF_WRITE_FAIL))
void xfs_buf_stale(struct xfs_buf *bp);
#define XFS_BUF_UNSTALE(bp) ((bp)->b_flags &= ~XBF_STALE)
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index a64f67ba25d3..2227b9b050bb 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -496,6 +496,14 @@ xfs_buf_item_unpin(
}
}
+/*
+ * Buffer IO error rate limiting. Limit it to no more than 10 messages per 30
+ * seconds so as to not spam logs too much on repeated detection of the same
+ * buffer being bad..
+ */
+
+DEFINE_RATELIMIT_STATE(xfs_buf_write_fail_rl_state, 30 * HZ, 10);
+
STATIC uint
xfs_buf_item_push(
struct xfs_log_item *lip,
@@ -524,6 +532,14 @@ xfs_buf_item_push(
trace_xfs_buf_item_push(bip);
+ /* has a previous flush failed due to IO errors? */
+ if ((bp->b_flags & XBF_WRITE_FAIL) &&
+ ___ratelimit(&xfs_buf_write_fail_rl_state, "XFS:")) {
+ xfs_warn(bp->b_target->bt_mount,
+"Detected failing async write on buffer block 0x%llx. Retrying async write.\n",
+ (long long)bp->b_bn);
+ }
+
if (!xfs_buf_delwri_queue(bp, buffer_list))
rval = XFS_ITEM_FLUSHING;
xfs_buf_unlock(bp);
@@ -1096,8 +1112,9 @@ xfs_buf_iodone_callbacks(
xfs_buf_ioerror(bp, 0); /* errno of 0 unsets the flag */
- if (!XFS_BUF_ISSTALE(bp)) {
- bp->b_flags |= XBF_WRITE | XBF_ASYNC | XBF_DONE;
+ if (!(bp->b_flags & (XBF_STALE|XBF_WRITE_FAIL))) {
+ bp->b_flags |= XBF_WRITE | XBF_ASYNC |
+ XBF_DONE | XBF_WRITE_FAIL;
xfs_buf_iorequest(bp);
} else {
xfs_buf_relse(bp);
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index 56369d4509d5..48c7d18f68c3 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -2067,12 +2067,12 @@ xfs_dir2_node_lookup(
*/
int /* error */
xfs_dir2_node_removename(
- xfs_da_args_t *args) /* operation arguments */
+ struct xfs_da_args *args) /* operation arguments */
{
- xfs_da_state_blk_t *blk; /* leaf block */
+ struct xfs_da_state_blk *blk; /* leaf block */
int error; /* error return value */
int rval; /* operation return value */
- xfs_da_state_t *state; /* btree cursor */
+ struct xfs_da_state *state; /* btree cursor */
trace_xfs_dir2_node_removename(args);
@@ -2084,19 +2084,18 @@ xfs_dir2_node_removename(
state->mp = args->dp->i_mount;
state->blocksize = state->mp->m_dirblksize;
state->node_ents = state->mp->m_dir_node_ents;
- /*
- * Look up the entry we're deleting, set up the cursor.
- */
+
+ /* Look up the entry we're deleting, set up the cursor. */
error = xfs_da3_node_lookup_int(state, &rval);
if (error)
- rval = error;
- /*
- * Didn't find it, upper layer screwed up.
- */
+ goto out_free;
+
+ /* Didn't find it, upper layer screwed up. */
if (rval != EEXIST) {
- xfs_da_state_free(state);
- return rval;
+ error = rval;
+ goto out_free;
}
+
blk = &state->path.blk[state->path.active - 1];
ASSERT(blk->magic == XFS_DIR2_LEAFN_MAGIC);
ASSERT(state->extravalid);
@@ -2107,7 +2106,7 @@ xfs_dir2_node_removename(
error = xfs_dir2_leafn_remove(args, blk->bp, blk->index,
&state->extrablk, &rval);
if (error)
- return error;
+ goto out_free;
/*
* Fix the hash values up the btree.
*/
@@ -2122,6 +2121,7 @@ xfs_dir2_node_removename(
*/
if (!error)
error = xfs_dir2_node_to_leaf(state);
+out_free:
xfs_da_state_free(state);
return error;
}
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 27e0e544e963..104455b8046c 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -618,7 +618,8 @@ xfs_setattr_nonsize(
}
if (!gid_eq(igid, gid)) {
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
- ASSERT(!XFS_IS_PQUOTA_ON(mp));
+ ASSERT(xfs_sb_version_has_pquotino(&mp->m_sb) ||
+ !XFS_IS_PQUOTA_ON(mp));
ASSERT(mask & ATTR_GID);
ASSERT(gdqp);
olddquot2 = xfs_qm_vop_chown(tp, ip,
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index b6b669df40f3..eae16920655b 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -193,7 +193,10 @@ xlog_bread_noalign(
bp->b_io_length = nbblks;
bp->b_error = 0;
- xfsbdstrat(log->l_mp, bp);
+ if (XFS_FORCED_SHUTDOWN(log->l_mp))
+ return XFS_ERROR(EIO);
+
+ xfs_buf_iorequest(bp);
error = xfs_buf_iowait(bp);
if (error)
xfs_buf_ioerror_alert(bp, __func__);
@@ -4397,7 +4400,13 @@ xlog_do_recover(
XFS_BUF_READ(bp);
XFS_BUF_UNASYNC(bp);
bp->b_ops = &xfs_sb_buf_ops;
- xfsbdstrat(log->l_mp, bp);
+
+ if (XFS_FORCED_SHUTDOWN(log->l_mp)) {
+ xfs_buf_relse(bp);
+ return XFS_ERROR(EIO);
+ }
+
+ xfs_buf_iorequest(bp);
error = xfs_buf_iowait(bp);
if (error) {
xfs_buf_ioerror_alert(bp, __func__);
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 14a4996cfec6..dd88f0e27bd8 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -134,8 +134,6 @@ xfs_qm_dqpurge(
{
struct xfs_mount *mp = dqp->q_mount;
struct xfs_quotainfo *qi = mp->m_quotainfo;
- struct xfs_dquot *gdqp = NULL;
- struct xfs_dquot *pdqp = NULL;
xfs_dqlock(dqp);
if ((dqp->dq_flags & XFS_DQ_FREEING) || dqp->q_nrefs != 0) {
@@ -143,21 +141,6 @@ xfs_qm_dqpurge(
return EAGAIN;
}
- /*
- * If this quota has a hint attached, prepare for releasing it now.
- */
- gdqp = dqp->q_gdquot;
- if (gdqp) {
- xfs_dqlock(gdqp);
- dqp->q_gdquot = NULL;
- }
-
- pdqp = dqp->q_pdquot;
- if (pdqp) {
- xfs_dqlock(pdqp);
- dqp->q_pdquot = NULL;
- }
-
dqp->dq_flags |= XFS_DQ_FREEING;
xfs_dqflock(dqp);
@@ -206,11 +189,47 @@ xfs_qm_dqpurge(
XFS_STATS_DEC(xs_qm_dquot_unused);
xfs_qm_dqdestroy(dqp);
+ return 0;
+}
+
+/*
+ * Release the group or project dquot pointers the user dquots maybe carrying
+ * around as a hint, and proceed to purge the user dquot cache if requested.
+*/
+STATIC int
+xfs_qm_dqpurge_hints(
+ struct xfs_dquot *dqp,
+ void *data)
+{
+ struct xfs_dquot *gdqp = NULL;
+ struct xfs_dquot *pdqp = NULL;
+ uint flags = *((uint *)data);
+
+ xfs_dqlock(dqp);
+ if (dqp->dq_flags & XFS_DQ_FREEING) {
+ xfs_dqunlock(dqp);
+ return EAGAIN;
+ }
+
+ /* If this quota has a hint attached, prepare for releasing it now */
+ gdqp = dqp->q_gdquot;
+ if (gdqp)
+ dqp->q_gdquot = NULL;
+
+ pdqp = dqp->q_pdquot;
+ if (pdqp)
+ dqp->q_pdquot = NULL;
+
+ xfs_dqunlock(dqp);
if (gdqp)
- xfs_qm_dqput(gdqp);
+ xfs_qm_dqrele(gdqp);
if (pdqp)
- xfs_qm_dqput(pdqp);
+ xfs_qm_dqrele(pdqp);
+
+ if (flags & XFS_QMOPT_UQUOTA)
+ return xfs_qm_dqpurge(dqp, NULL);
+
return 0;
}
@@ -222,8 +241,18 @@ xfs_qm_dqpurge_all(
struct xfs_mount *mp,
uint flags)
{
- if (flags & XFS_QMOPT_UQUOTA)
- xfs_qm_dquot_walk(mp, XFS_DQ_USER, xfs_qm_dqpurge, NULL);
+ /*
+ * We have to release group/project dquot hint(s) from the user dquot
+ * at first if they are there, otherwise we would run into an infinite
+ * loop while walking through radix tree to purge other type of dquots
+ * since their refcount is not zero if the user dquot refers to them
+ * as hint.
+ *
+ * Call the special xfs_qm_dqpurge_hints() will end up go through the
+ * general xfs_qm_dqpurge() against user dquot cache if requested.
+ */
+ xfs_qm_dquot_walk(mp, XFS_DQ_USER, xfs_qm_dqpurge_hints, &flags);
+
if (flags & XFS_QMOPT_GQUOTA)
xfs_qm_dquot_walk(mp, XFS_DQ_GROUP, xfs_qm_dqpurge, NULL);
if (flags & XFS_QMOPT_PQUOTA)
@@ -2082,24 +2111,21 @@ xfs_qm_vop_create_dqattach(
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(XFS_IS_QUOTA_RUNNING(mp));
- if (udqp) {
+ if (udqp && XFS_IS_UQUOTA_ON(mp)) {
ASSERT(ip->i_udquot == NULL);
- ASSERT(XFS_IS_UQUOTA_ON(mp));
ASSERT(ip->i_d.di_uid == be32_to_cpu(udqp->q_core.d_id));
ip->i_udquot = xfs_qm_dqhold(udqp);
xfs_trans_mod_dquot(tp, udqp, XFS_TRANS_DQ_ICOUNT, 1);
}
- if (gdqp) {
+ if (gdqp && XFS_IS_GQUOTA_ON(mp)) {
ASSERT(ip->i_gdquot == NULL);
- ASSERT(XFS_IS_GQUOTA_ON(mp));
ASSERT(ip->i_d.di_gid == be32_to_cpu(gdqp->q_core.d_id));
ip->i_gdquot = xfs_qm_dqhold(gdqp);
xfs_trans_mod_dquot(tp, gdqp, XFS_TRANS_DQ_ICOUNT, 1);
}
- if (pdqp) {
+ if (pdqp && XFS_IS_PQUOTA_ON(mp)) {
ASSERT(ip->i_pdquot == NULL);
- ASSERT(XFS_IS_PQUOTA_ON(mp));
ASSERT(xfs_get_projid(ip) == be32_to_cpu(pdqp->q_core.d_id));
ip->i_pdquot = xfs_qm_dqhold(pdqp);
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index c035d11b7734..647b6f1d8923 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -314,7 +314,18 @@ xfs_trans_read_buf_map(
ASSERT(bp->b_iodone == NULL);
XFS_BUF_READ(bp);
bp->b_ops = ops;
- xfsbdstrat(tp->t_mountp, bp);
+
+ /*
+ * XXX(hch): clean up the error handling here to be less
+ * of a mess..
+ */
+ if (XFS_FORCED_SHUTDOWN(mp)) {
+ trace_xfs_bdstrat_shut(bp, _RET_IP_);
+ xfs_bioerror_relse(bp);
+ } else {
+ xfs_buf_iorequest(bp);
+ }
+
error = xfs_buf_iowait(bp);
if (error) {
xfs_buf_ioerror_alert(bp, __func__);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-27 22:38:25 +0000