diff options
| author | Kaleb S. KEITHLEY <kkeithle@redhat.com> | 2013-12-02 10:47:26 -0500 |
|---|---|---|
| committer | Vijay Bellur <vbellur@redhat.com> | 2013-12-04 03:34:13 -0800 |
| commit | 1e40a57d1689b4943f67db5e249008d7f0969208 (patch) | |
| tree | 59ebd4120b5b7ee27822d7f616ab90d825e5547b /api/src/glfs-internal.h | |
| parent | 0f02c5125b96da8083a623ed9f455e68ded46b9c (diff) | |
gfapi: backport handles to 3.4 for nfs-ganeshav3.4.2qa2
nfs-ganesha-2.0 will ship shortly. It depends on the gfapi handle support,
which won't otherwise be released until 3.5 sometime in 2014.
Change-Id: I104d6fb275bb2c710790340fdc7d998446403026
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/6394
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'api/src/glfs-internal.h')
| -rw-r--r-- | api/src/glfs-internal.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/api/src/glfs-internal.h b/api/src/glfs-internal.h index c7fdf75f541..1b1c1c7f624 100644 --- a/api/src/glfs-internal.h +++ b/api/src/glfs-internal.h @@ -16,6 +16,44 @@ #define GLFS_SYMLINK_MAX_FOLLOW 2048 +#define DEFAULT_REVAL_COUNT 1 + +#define ESTALE_RETRY(ret,errno,reval,loc,label) do { \ + if (ret == -1 && errno == ESTALE) { \ + if (reval < DEFAULT_REVAL_COUNT) { \ + reval++; \ + loc_wipe (loc); \ + goto label; \ + } \ + } \ + } while (0) + +#define GLFS_LOC_FILL_INODE(oinode, loc, label) do { \ + loc.inode = inode_ref (oinode); \ + uuid_copy (loc.gfid, oinode->gfid); \ + ret = glfs_loc_touchup (&loc); \ + if (ret != 0) { \ + errno = EINVAL; \ + goto label; \ + } \ + } while (0) + +#define GLFS_LOC_FILL_PINODE(pinode, loc, ret, errno, label, path) do { \ + loc.inode = inode_new (pinode->table); \ + if (!loc.inode) { \ + ret = -1; \ + errno = ENOMEM; \ + goto label; \ + } \ + loc.parent = inode_ref (pinode); \ + loc.name = path; \ + ret = glfs_loc_touchup (&loc); \ + if (ret != 0) { \ + errno = EINVAL; \ + goto label; \ + } \ + } while (0) + struct glfs; typedef int (*glfs_init_cbk) (struct glfs *fs, int ret); @@ -59,6 +97,14 @@ struct glfs_fd { gf_dirent_t *next; }; +/* glfs object handle introduced for the alternate gfapi implementation based + on glfs handles/gfid/inode +*/ +struct glfs_object { + inode_t *inode; + uuid_t gfid; +}; + #define DEFAULT_EVENT_POOL_SIZE 16384 #define GF_MEMPOOL_COUNT_OF_DICT_T 4096 #define GF_MEMPOOL_COUNT_OF_DATA_T (GF_MEMPOOL_COUNT_OF_DICT_T * 4) @@ -135,6 +181,19 @@ inode_t * glfs_refresh_inode (xlator_t *subvol, inode_t *inode); inode_t *glfs_cwd_get (struct glfs *fs); int glfs_cwd_set (struct glfs *fs, inode_t *inode); +inode_t *glfs_resolve_inode (struct glfs *fs, xlator_t *subvol, + struct glfs_object *object); +int glfs_create_object (loc_t *loc, struct glfs_object **retobject); int __glfs_cwd_set (struct glfs *fs, inode_t *inode); +int glfs_resolve_base (struct glfs *fs, xlator_t *subvol, inode_t *inode, + struct iatt *iatt); +int glfs_resolve_at (struct glfs *fs, xlator_t *subvol, inode_t *at, + const char *origpath, loc_t *loc, struct iatt *iatt, + int follow, int reval); +int glfs_loc_touchup (loc_t *loc); +void glfs_iatt_to_stat (struct glfs *fs, struct iatt *iatt, struct stat *stat); +int glfs_loc_link (loc_t *loc, struct iatt *iatt); +int glfs_loc_unlink (loc_t *loc); + #endif /* !_GLFS_INTERNAL_H */ |