diff options
Diffstat (limited to 'xlators/cluster/afr')
| -rw-r--r-- | xlators/cluster/afr/src/afr-common.c | 29 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.h | 4 |
2 files changed, 23 insertions, 10 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c index 11aae4617e7..e4fbe794f08 100644 --- a/xlators/cluster/afr/src/afr-common.c +++ b/xlators/cluster/afr/src/afr-common.c @@ -1157,17 +1157,18 @@ afr_lookup_done (call_frame_t *frame, xlator_t *this) afr_inode_read_subvol_get (local->loc.parent, this, readable, NULL, &event); - /* First, check if we have an ESTALE from somewhere, - If so, propagate that so that a revalidate can be + /* First, check if we have a gfid-change from somewhere, + If so, propagate that so that a fresh lookup can be issued */ + if (local->cont.lookup.needs_fresh_lookup) { + local->op_ret = -1; + local->op_errno = ESTALE; + goto unwind; + } + op_errno = afr_final_errno (frame->local, this->private); local->op_errno = op_errno; - if (op_errno == ESTALE) { - local->op_errno = op_errno; - local->op_ret = -1; - goto unwind; - } read_subvol = -1; for (i = 0; i < priv->child_count; i++) { @@ -1270,7 +1271,7 @@ unwind: * others in that they must be given higher priority while * returning to the user. * - * The hierarchy is ESTALE > ENOENT > others + * The hierarchy is ENODATA > ENOENT > ESTALE > others */ int @@ -1278,10 +1279,10 @@ afr_higher_errno (int32_t old_errno, int32_t new_errno) { if (old_errno == ENODATA || new_errno == ENODATA) return ENODATA; + if (old_errno == ENOENT || new_errno == ENOENT) + return ENOENT; if (old_errno == ESTALE || new_errno == ESTALE) return ESTALE; - if (old_errno == ENOENT || new_errno == ENOENT) - return ENOENT; return new_errno; } @@ -1523,6 +1524,14 @@ afr_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, local->replies[child_index].valid = 1; local->replies[child_index].op_ret = op_ret; local->replies[child_index].op_errno = op_errno; + /* + * On revalidate lookup if the gfid-changed, afr should unwind the fop + * with ESTALE so that a fresh lookup will be sent by the top xlator. + * So remember it. + */ + if (xdata && dict_get (xdata, "gfid-changed")) + local->cont.lookup.needs_fresh_lookup = _gf_true; + if (op_ret != -1) { local->replies[child_index].poststat = *buf; local->replies[child_index].postparent = *postparent; diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h index c5b326cee06..b02ecaf3050 100644 --- a/xlators/cluster/afr/src/afr.h +++ b/xlators/cluster/afr/src/afr.h @@ -418,6 +418,10 @@ typedef struct _afr_local { struct { struct { + gf_boolean_t needs_fresh_lookup; + } lookup; + + struct { unsigned char buf_set; struct statvfs buf; } statfs; |