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-rw-r--r--xlators/mount/fuse/src/fuse-bridge.c65
-rw-r--r--xlators/mount/fuse/src/fuse-bridge.h4
-rw-r--r--xlators/mount/fuse/src/fuse-resolve.c88
3 files changed, 107 insertions, 50 deletions
diff --git a/xlators/mount/fuse/src/fuse-bridge.c b/xlators/mount/fuse/src/fuse-bridge.c
index f14ccf5c1..86deaea07 100644
--- a/xlators/mount/fuse/src/fuse-bridge.c
+++ b/xlators/mount/fuse/src/fuse-bridge.c
@@ -26,7 +26,7 @@ static int gf_fuse_xattr_enotsup_log;
void fini (xlator_t *this_xl);
fuse_fd_ctx_t *
-__fuse_fd_ctx_check_n_create (fd_t *fd, xlator_t *this)
+__fuse_fd_ctx_check_n_create (xlator_t *this, fd_t *fd)
{
uint64_t val = 0;
int32_t ret = 0;
@@ -54,7 +54,7 @@ __fuse_fd_ctx_check_n_create (fd_t *fd, xlator_t *this)
}
fuse_fd_ctx_t *
-fuse_fd_ctx_check_n_create (fd_t *fd, xlator_t *this)
+fuse_fd_ctx_check_n_create (xlator_t *this, fd_t *fd)
{
fuse_fd_ctx_t *fd_ctx = NULL;
@@ -64,7 +64,7 @@ fuse_fd_ctx_check_n_create (fd_t *fd, xlator_t *this)
LOCK (&fd->lock);
{
- fd_ctx = __fuse_fd_ctx_check_n_create (fd, this);
+ fd_ctx = __fuse_fd_ctx_check_n_create (this, fd);
}
UNLOCK (&fd->lock);
@@ -618,7 +618,7 @@ fuse_fd_inherit_directio (xlator_t *this, fd_t *fd, struct fuse_open_out *foo)
GF_VALIDATE_OR_GOTO_WITH_ERROR ("glusterfs-fuse", foo, out, ret,
-EINVAL);
- fdctx = fuse_fd_ctx_check_n_create (fd, this);
+ fdctx = fuse_fd_ctx_check_n_create (this, fd);
if (!fdctx) {
ret = -ENOMEM;
goto out;
@@ -3506,6 +3506,7 @@ fuse_nameless_lookup (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;
if ((loc == NULL) || (xl == NULL)) {
goto out;
@@ -3530,7 +3531,9 @@ fuse_nameless_lookup (xlator_t *xl, uuid_t gfid, loc_t *loc)
goto out;
}
- inode_link (loc->inode, NULL, NULL, &iatt);
+ linked_inode = inode_link (loc->inode, NULL, NULL, &iatt);
+ inode_unref (loc->inode);
+ loc->inode = linked_inode;
ret = 0;
out:
@@ -3589,13 +3592,17 @@ fuse_migrate_fd (xlator_t *this, fd_t *fd, xlator_t *old_subvol,
loc.path = "";
loc.name = NULL;
- ret = fuse_nameless_lookup (new_subvol, fd->inode->gfid, &loc);
- if (ret < 0) {
- ret = -2;
- gf_log ("glusterfs-fuse", GF_LOG_WARNING,
- "name-less lookup of gfid (%s) failed (%s)",
- uuid_utoa (fd->inode->gfid), strerror (errno));
- goto out;
+ loc.inode = inode_find (new_subvol->itable, fd->inode->gfid);
+
+ if (loc.inode == NULL) {
+ ret = fuse_nameless_lookup (new_subvol, fd->inode->gfid, &loc);
+ if (ret < 0) {
+ gf_log ("glusterfs-fuse", GF_LOG_WARNING,
+ "name-less lookup of gfid (%s) failed (%s)",
+ uuid_utoa (fd->inode->gfid), strerror (errno));
+ goto out;
+ }
+
}
old_inode = fd->inode;
@@ -3669,34 +3676,13 @@ fuse_handle_opened_fds (xlator_t *this, xlator_t *old_subvol,
continue;
ret = fuse_migrate_fd (this, fd, old_subvol,
- new_subvol);
- if (ret < 0) {
- if (ret == -1) {
- fdctx = fuse_fd_ctx_check_n_create (fd,
- this);
- if (fdctx != NULL) {
- fdctx->migration_failed = 1;
- gf_log_callingfn ("glusterfs-"
- "fuse",
- GF_LOG_ERROR,
- "fd migration"
- " for the fd "
- "(%p), with"
- "context (%p)"
- " failed", fd,
- fdctx);
- }
+ new_subvol);
+
+ fdctx = fuse_fd_ctx_check_n_create (this, fd);
+ if (fdctx) {
+ if (ret < 0) {
+ fdctx->migration_failed = 1;
} else {
- /* nameless lookup has failed,
- * it can be identified using
- * fd->inode->table->xl
- * != active_subvol. so, do
- * nothing
- */
- }
- } else {
- fdctx = fuse_fd_ctx_get (this, fd);
- if (fdctx != NULL) {
fdctx->migration_failed = 0;
}
}
@@ -3707,6 +3693,7 @@ fuse_handle_opened_fds (xlator_t *this, xlator_t *old_subvol,
if (fd)
fd_unref (fd);
}
+
GF_FREE (fdentries);
}
diff --git a/xlators/mount/fuse/src/fuse-bridge.h b/xlators/mount/fuse/src/fuse-bridge.h
index 3711ca54d..c13c2dc76 100644
--- a/xlators/mount/fuse/src/fuse-bridge.h
+++ b/xlators/mount/fuse/src/fuse-bridge.h
@@ -350,8 +350,8 @@ inode_t *fuse_ino_to_inode (uint64_t ino, xlator_t *fuse);
int send_fuse_err (xlator_t *this, fuse_in_header_t *finh, int error);
int fuse_gfid_set (fuse_state_t *state);
int fuse_flip_xattr_ns (struct fuse_private *priv, char *okey, char **nkey);
-fuse_fd_ctx_t * __fuse_fd_ctx_check_n_create (fd_t *fd, xlator_t *this);
-fuse_fd_ctx_t * fuse_fd_ctx_check_n_create (fd_t *fd, xlator_t *this);
+fuse_fd_ctx_t * __fuse_fd_ctx_check_n_create (xlator_t *this, fd_t *fd);
+fuse_fd_ctx_t * fuse_fd_ctx_check_n_create (xlator_t *this, fd_t *fd);
int fuse_resolve_and_resume (fuse_state_t *state, fuse_resume_fn_t fn);
int fuse_resolve_inode_init (fuse_state_t *state, fuse_resolve_t *resolve,
diff --git a/xlators/mount/fuse/src/fuse-resolve.c b/xlators/mount/fuse/src/fuse-resolve.c
index 5df0ac4b8..d7446a711 100644
--- a/xlators/mount/fuse/src/fuse-resolve.c
+++ b/xlators/mount/fuse/src/fuse-resolve.c
@@ -30,6 +30,8 @@ fuse_resolve_all (fuse_state_t *state);
int fuse_resolve_continue (fuse_state_t *state);
int fuse_resolve_entry_simple (fuse_state_t *state);
int fuse_resolve_inode_simple (fuse_state_t *state);
+int fuse_migrate_fd (xlator_t *this, fd_t *fd, xlator_t *old_subvol,
+ xlator_t *new_subvol);
fuse_fd_ctx_t *
fuse_fd_ctx_get (xlator_t *this, fd_t *fd);
@@ -334,29 +336,97 @@ fuse_resolve_inode (fuse_state_t *state)
return 0;
}
+
+int
+fuse_migrate_fd_task (void *data)
+{
+ int ret = -1;
+ fuse_fd_ctx_t *fdctx = NULL;
+ fuse_state_t *state = NULL;
+
+ state = data;
+ if (state == NULL) {
+ goto out;
+ }
+
+ ret = fuse_migrate_fd (state->this, state->fd,
+ state->fd->inode->table->xl,
+ state->active_subvol);
+
+ fdctx = fuse_fd_ctx_check_n_create (state->this, state->fd);
+ if (fdctx != NULL) {
+ if (ret < 0) {
+ fdctx->migration_failed = 1;
+ } else {
+ fdctx->migration_failed = 0;
+ }
+ }
+
+ ret = 0;
+
+out:
+ return ret;
+}
+
+
+static inline int
+fuse_migrate_fd_error (xlator_t *this, fd_t *fd)
+{
+ fuse_fd_ctx_t *fdctx = NULL;
+ char error = 0;
+
+ fdctx = fuse_fd_ctx_get (this, fd);
+ if (fdctx != NULL) {
+ if (fdctx->migration_failed) {
+ error = 1;
+ }
+ }
+
+ return error;
+}
+
+
static int
fuse_resolve_fd (fuse_state_t *state)
{
- fuse_resolve_t *resolve = NULL;
- fd_t *fd = NULL;
- xlator_t *active_subvol = NULL;
- fuse_fd_ctx_t *fdctx = NULL;
+ fuse_resolve_t *resolve = NULL;
+ fd_t *fd = NULL;
+ xlator_t *active_subvol = NULL;
+ int ret = 0;
+ char fd_migration_error = 0;
resolve = state->resolve_now;
fd = resolve->fd;
active_subvol = fd->inode->table->xl;
- if (state->active_subvol != active_subvol) {
+ fd_migration_error = fuse_migrate_fd_error (state->this, fd);
+ if (fd_migration_error) {
resolve->op_ret = -1;
resolve->op_errno = EBADF;
- }
+ } else if (state->active_subvol != active_subvol) {
+ ret = synctask_new (state->this->ctx->env, fuse_migrate_fd_task,
+ NULL, NULL, state);
+
+ fd_migration_error = fuse_migrate_fd_error (state->this, fd);
+
+ if ((ret == -1) || fd_migration_error
+ || (state->active_subvol != fd->inode->table->xl)) {
+ if (ret == -1) {
+ gf_log (state->this->name, GF_LOG_WARNING,
+ "starting sync-task to migrate fd (%p)"
+ " failed", fd);
+ } else {
+ gf_log (state->this->name, GF_LOG_WARNING,
+ "fd migration of fd (%p) failed", fd);
+ }
- fdctx = fuse_fd_ctx_get (state->this, fd);
- if (fdctx != NULL) {
- if (fdctx->migration_failed) {
resolve->op_ret = -1;
resolve->op_errno = EBADF;
+ } else {
+ gf_log (state->this->name, GF_LOG_DEBUG,
+ "fd (%p) migrated successfully in resolver",
+ fd);
}
}
generated by cgit (git 2.34.1) at 2024-11-20 08:32:22 +0000