diff options
-rw-r--r-- | libglusterfs/src/inode.c | 18 | ||||
-rw-r--r-- | libglusterfs/src/inode.h | 3 | ||||
-rw-r--r-- | xlators/mount/fuse/src/fuse-bridge.c | 17 | ||||
-rw-r--r-- | xlators/mount/fuse/src/fuse-resolve.c | 11 |
4 files changed, 39 insertions, 10 deletions
diff --git a/libglusterfs/src/inode.c b/libglusterfs/src/inode.c index 50ef98fba20..26e0194a761 100644 --- a/libglusterfs/src/inode.c +++ b/libglusterfs/src/inode.c @@ -1845,7 +1845,7 @@ out: void inode_set_need_lookup (inode_t *inode, xlator_t *this) { - uint64_t need_lookup = 1; + uint64_t need_lookup = LOOKUP_NEEDED; if (!inode | !this) return; @@ -1855,19 +1855,29 @@ inode_set_need_lookup (inode_t *inode, xlator_t *this) return; } +/* Function behaviour: + * Function return true if inode_ctx is not present, + * or value stored in inode_ctx is LOOKUP_NEEDED. + * If inode_ctx value is LOOKUP_NOT_NEEDED, which means + * inode_ctx is present for xlator this, but no lookup + * needed. + */ gf_boolean_t inode_needs_lookup (inode_t *inode, xlator_t *this) { uint64_t need_lookup = 0; gf_boolean_t ret = _gf_false; + int op_ret = -1; if (!inode || !this) return ret; - inode_ctx_get (inode, this, &need_lookup); - if (need_lookup) { + op_ret = inode_ctx_get (inode, this, &need_lookup); + if (op_ret == -1) { + ret = _gf_true; + } else if (need_lookup == LOOKUP_NEEDED) { ret = _gf_true; - need_lookup = 0; + need_lookup = LOOKUP_NOT_NEEDED; inode_ctx_set (inode, this, &need_lookup); } diff --git a/libglusterfs/src/inode.h b/libglusterfs/src/inode.h index 37083fae05b..114aeae78bb 100644 --- a/libglusterfs/src/inode.h +++ b/libglusterfs/src/inode.h @@ -14,6 +14,9 @@ #include <stdint.h> #include <sys/types.h> +#define LOOKUP_NEEDED 1 +#define LOOKUP_NOT_NEEDED 2 + #define DEFAULT_INODE_MEMPOOL_ENTRIES 32 * 1024 #define INODE_PATH_FMT "<gfid:%s>" struct _inode_table; diff --git a/xlators/mount/fuse/src/fuse-bridge.c b/xlators/mount/fuse/src/fuse-bridge.c index eba8a6ddb0c..8ac641d5bca 100644 --- a/xlators/mount/fuse/src/fuse-bridge.c +++ b/xlators/mount/fuse/src/fuse-bridge.c @@ -380,6 +380,7 @@ fuse_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, struct fuse_entry_out feo = {0, }; fuse_private_t *priv = NULL; inode_t *linked_inode = NULL; + uint64_t ctx_value = LOOKUP_NOT_NEEDED; priv = this->private; state = frame->root->state; @@ -429,7 +430,8 @@ fuse_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, linked_inode = inode_link (inode, state->loc.parent, state->loc.name, buf); - if (linked_inode != inode) { + if (linked_inode == inode) { + inode_ctx_set (linked_inode, this, &ctx_value); } inode_lookup (linked_inode); @@ -1915,6 +1917,7 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, struct fuse_open_out foo = {0, }; struct iovec iov_out[3]; inode_t *linked_inode = NULL; + uint64_t ctx_value = LOOKUP_NOT_NEEDED; state = frame->root->state; priv = this->private; @@ -1950,6 +1953,8 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, */ inode_unref (fd->inode); fd->inode = inode_ref (linked_inode); + } else { + inode_ctx_set (linked_inode, this, &ctx_value); } inode_lookup (linked_inode); @@ -4168,12 +4173,13 @@ fuse_first_lookup (xlator_t *this) int -fuse_nameless_lookup (xlator_t *xl, uuid_t gfid, loc_t *loc) +fuse_nameless_lookup (xlator_t *this, xlator_t *xl, uuid_t gfid, loc_t *loc) { int ret = -1; dict_t *xattr_req = NULL; struct iatt iatt = {0, }; inode_t *linked_inode = NULL; + uint64_t ctx_value = LOOKUP_NOT_NEEDED; if ((loc == NULL) || (xl == NULL)) { ret = -EINVAL; @@ -4201,6 +4207,9 @@ fuse_nameless_lookup (xlator_t *xl, uuid_t gfid, loc_t *loc) goto out; linked_inode = inode_link (loc->inode, NULL, NULL, &iatt); + if (linked_inode == loc->inode) + inode_ctx_set (linked_inode, this, &ctx_value); + inode_unref (loc->inode); loc->inode = linked_inode; @@ -4240,8 +4249,8 @@ fuse_migrate_fd_open (xlator_t *this, fd_t *basefd, fd_t *oldfd, loc.inode = inode_find (new_subvol->itable, basefd->inode->gfid); if (loc.inode == NULL) { - ret = fuse_nameless_lookup (new_subvol, basefd->inode->gfid, - &loc); + ret = fuse_nameless_lookup (this, new_subvol, + basefd->inode->gfid, &loc); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "name-less lookup of gfid (%s) failed (%s)" diff --git a/xlators/mount/fuse/src/fuse-resolve.c b/xlators/mount/fuse/src/fuse-resolve.c index 9e38cbe7e40..a0352bcf43f 100644 --- a/xlators/mount/fuse/src/fuse-resolve.c +++ b/xlators/mount/fuse/src/fuse-resolve.c @@ -45,6 +45,7 @@ fuse_resolve_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, fuse_resolve_t *resolve = NULL; inode_t *link_inode = NULL; loc_t *resolve_loc = NULL; + uint64_t ctx_value = LOOKUP_NOT_NEEDED; state = frame->root->state; resolve = state->resolve_now; @@ -65,7 +66,8 @@ fuse_resolve_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, link_inode = inode_link (inode, resolve_loc->parent, resolve_loc->name, buf); - + if (link_inode == inode) + inode_ctx_set (link_inode, this, &ctx_value); state->loc_now->inode = link_inode; out: @@ -114,6 +116,7 @@ fuse_resolve_gfid_cbk (call_frame_t *frame, void *cookie, xlator_t *this, inode_t *link_inode = NULL; loc_t *loc_now = NULL; inode_t *tmp_inode = NULL; + uint64_t ctx_value = LOOKUP_NOT_NEEDED; state = frame->root->state; resolve = state->resolve_now; @@ -146,6 +149,8 @@ fuse_resolve_gfid_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } link_inode = inode_link (inode, NULL, NULL, buf); + if (link_inode == inode) + inode_ctx_set (link_inode, this, &ctx_value); loc_wipe (&resolve->resolve_loc); @@ -226,9 +231,11 @@ fuse_resolve_parent_simple (fuse_state_t *state) loc_t *loc = NULL; inode_t *parent = NULL; inode_t *inode = NULL; + xlator_t *this = NULL; resolve = state->resolve_now; loc = state->loc_now; + this = state->this; loc->name = resolve->bname; @@ -276,7 +283,7 @@ fuse_resolve_parent_simple (fuse_state_t *state) gf_uuid_copy (loc->pargfid, resolve->pargfid); inode = inode_grep (state->itable, parent, loc->name); - if (inode) { + if (inode && !inode_needs_lookup (inode, this)) { loc->inode = inode; /* decisive result - resolution success */ return 0; |