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authorPranith Kumar K <pranithk@gluster.com>2012-04-14 12:21:25 +0530
committerAnand Avati <avati@redhat.com>2012-05-31 16:52:44 -0700
commitd2ac835ba0d51ce1679dc71640472eecbfbaa704 (patch)
tree1c409b85bf7e4a6272a9f9430bdcd1ec8cb74bd7 /xlators/storage/posix
parent67740785050158dad8793f8d0ab6beeb30f99b3f (diff)
storage/posix: Move landfill inside .glusterfs
Change-Id: Ia2944f891dd62e72f3c79678c3a1fed389854a90 BUG: 811970 Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Reviewed-on: http://review.gluster.com/3158 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/storage/posix')
-rw-r--r--xlators/storage/posix/src/posix-handle.c103
-rw-r--r--xlators/storage/posix/src/posix-handle.h2
-rw-r--r--xlators/storage/posix/src/posix-helpers.c2
-rw-r--r--xlators/storage/posix/src/posix.c26
4 files changed, 114 insertions, 19 deletions
diff --git a/xlators/storage/posix/src/posix-handle.c b/xlators/storage/posix/src/posix-handle.c
index 38b28edc386..7c53bbc48d8 100644
--- a/xlators/storage/posix/src/posix-handle.c
+++ b/xlators/storage/posix/src/posix-handle.c
@@ -34,9 +34,11 @@
#include "posix-handle.h"
#include "posix.h"
#include "xlator.h"
+#include "syscall.h"
#define HANDLE_PFX ".glusterfs"
+#define TRASH_DIR "landfill"
#define UUID0_STR "00000000-0000-0000-0000-000000000000"
#define SLEN(str) (sizeof(str) - 1)
@@ -393,6 +395,107 @@ posix_handle_init (xlator_t *this)
return 0;
}
+gf_boolean_t
+posix_does_old_trash_exists (char *old_trash)
+{
+ uuid_t gfid = {0};
+ gf_boolean_t exists = _gf_false;
+ struct stat stbuf = {0};
+ int ret = 0;
+
+ ret = lstat (old_trash, &stbuf);
+ if ((ret == 0) && S_ISDIR (stbuf.st_mode)) {
+ ret = sys_lgetxattr (old_trash, "trusted.gfid", gfid, 16);
+ if ((ret < 0) && (errno == ENODATA))
+ exists = _gf_true;
+ }
+ return exists;
+}
+
+int
+posix_handle_new_trash_init (xlator_t *this, char *trash)
+{
+ int ret = 0;
+ struct stat stbuf = {0};
+
+ ret = lstat (trash, &stbuf);
+ switch (ret) {
+ case -1:
+ if (errno == ENOENT) {
+ ret = mkdir (trash, 0755);
+ if (ret != 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Creating directory %s failed: %s",
+ trash, strerror (errno));
+ }
+ } else {
+ gf_log (this->name, GF_LOG_ERROR, "Checking for %s "
+ "failed: %s", trash, strerror (errno));
+ }
+ break;
+ case 0:
+ if (!S_ISDIR (stbuf.st_mode)) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Not a directory: %s", trash);
+ ret = -1;
+ }
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+
+int
+posix_mv_old_trash_into_new_trash (xlator_t *this, char *old, char *new)
+{
+ char dest_old[PATH_MAX] = {0};
+ int ret = 0;
+ uuid_t dest_name = {0};
+
+ if (!posix_does_old_trash_exists (old))
+ goto out;
+ uuid_generate (dest_name);
+ snprintf (dest_old, sizeof (dest_old), "%s/%s", new,
+ uuid_utoa (dest_name));
+ ret = rename (old, dest_old);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR, "Not able to move "
+ "%s -> %s (%s)", old, dest_old, strerror (errno));
+ }
+out:
+ return ret;
+}
+
+int
+posix_handle_trash_init (xlator_t *this)
+{
+ int ret = -1;
+ struct posix_private *priv = NULL;
+ char old_trash[PATH_MAX] = {0};
+
+ priv = this->private;
+
+ priv->trash_path = GF_CALLOC (1, priv->base_path_length + strlen ("/")
+ + strlen (HANDLE_PFX) + strlen ("/")
+ + strlen (TRASH_DIR) + 1,
+ gf_posix_mt_trash_path);
+
+ if (!priv->trash_path)
+ goto out;
+
+ strncpy (priv->trash_path, priv->base_path, priv->base_path_length);
+ strcat (priv->trash_path, "/" HANDLE_PFX "/" TRASH_DIR);
+ ret = posix_handle_new_trash_init (this, priv->trash_path);
+ if (ret)
+ goto out;
+ snprintf (old_trash, sizeof (old_trash), "%s/.landfill",
+ priv->base_path);
+ ret = posix_mv_old_trash_into_new_trash (this, old_trash,
+ priv->trash_path);
+out:
+ return ret;
+}
int
posix_handle_mkdir_hashes (xlator_t *this, const char *newpath)
diff --git a/xlators/storage/posix/src/posix-handle.h b/xlators/storage/posix/src/posix-handle.h
index ec4baec5b05..560d7aac8e3 100644
--- a/xlators/storage/posix/src/posix-handle.h
+++ b/xlators/storage/posix/src/posix-handle.h
@@ -148,4 +148,6 @@ int posix_handle_init (xlator_t *this);
int posix_create_link_if_gfid_exists (xlator_t *this, uuid_t gfid,
char *real_path);
+int
+posix_handle_trash_init (xlator_t *this);
#endif /* !_POSIX_HANDLE_H */
diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c
index 06b5cedcb12..71e1eb495f4 100644
--- a/xlators/storage/posix/src/posix-helpers.c
+++ b/xlators/storage/posix/src/posix-helpers.c
@@ -833,7 +833,7 @@ posix_janitor_thread_proc (void *data)
time (&now);
if ((now - priv->last_landfill_check) > priv->janitor_sleep_duration) {
gf_log (this->name, GF_LOG_TRACE,
- "janitor cleaning out /" GF_REPLICATE_TRASH_DIR);
+ "janitor cleaning out %s", priv->trash_path);
nftw (priv->trash_path,
janitor_walker,
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
index 7dbd7546cf3..5bfaa4214cc 100644
--- a/xlators/storage/posix/src/posix.c
+++ b/xlators/storage/posix/src/posix.c
@@ -3536,10 +3536,6 @@ posix_fill_readdir (fd_t *fd, DIR *dir, off_t off, size_t size,
break;
}
- if ((uuid_compare (fd->inode->gfid, rootgfid) == 0)
- && (!strcmp (entry->d_name, GF_REPLICATE_TRASH_DIR)))
- continue;
-
#ifdef __NetBSD__
/*
* NetBSD with UFS1 backend uses backing files for
@@ -4068,20 +4064,6 @@ init (xlator_t *this)
_private->base_path = gf_strdup (dir_data->data);
_private->base_path_length = strlen (_private->base_path);
- _private->trash_path = GF_CALLOC (1, _private->base_path_length
- + strlen ("/")
- + strlen (GF_REPLICATE_TRASH_DIR)
- + 1,
- gf_posix_mt_trash_path);
-
- if (!_private->trash_path) {
- ret = -1;
- goto out;
- }
-
- strncpy (_private->trash_path, _private->base_path, _private->base_path_length);
- strcat (_private->trash_path, "/" GF_REPLICATE_TRASH_DIR);
-
LOCK_INIT (&_private->lock);
ret = dict_get_str (this->options, "hostname", &_private->hostname);
@@ -4217,6 +4199,14 @@ init (xlator_t *this)
goto out;
}
+ op_ret = posix_handle_trash_init (this);
+ if (op_ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Posix landfill setup failed");
+ ret = -1;
+ goto out;
+ }
+
pthread_mutex_init (&_private->janitor_lock, NULL);
pthread_cond_init (&_private->janitor_cond, NULL);
INIT_LIST_HEAD (&_private->janitor_fds);