diff options
| author | Soumya Koduri <skoduri@redhat.com> | 2018-01-10 14:54:30 +0530 |
|---|---|---|
| committer | Niels de Vos <ndevos@redhat.com> | 2018-01-19 09:27:40 +0000 |
| commit | 9eefff096fd9b54120e4347b6b00f10a6c502cf4 (patch) | |
| tree | e4fe682466d3462df5c59eb52753dcf3c599fbfa /api | |
| parent | a40a87ec3b226ae86a6ed8f4af25b45965a20cad (diff) | |
gfapi : added glfs_setfsleaseid() for setting lease id
A new function glfs_setfsleaseid() added in gfapi. Currently lock owner
is saved in the thread context. Similarly the leaseid attribute can be
saved using glfs_setfsleaseid().
Updates: #350
Change-Id: I55966cca01d0f2649c32b87bd255568c3ffd1262
Signed-off-by: Poornima G <pgurusid@redhat.com>
Signed-off-by: Soumya Koduri <skoduri@redhat.com>
Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
Diffstat (limited to 'api')
| -rw-r--r-- | api/src/gfapi.aliases | 2 | ||||
| -rw-r--r-- | api/src/gfapi.map | 4 | ||||
| -rw-r--r-- | api/src/glfs.c | 18 | ||||
| -rw-r--r-- | api/src/glfs.h | 7 |
4 files changed, 31 insertions, 0 deletions
diff --git a/api/src/gfapi.aliases b/api/src/gfapi.aliases index 16b18a1575d..41a01f842fd 100644 --- a/api/src/gfapi.aliases +++ b/api/src/gfapi.aliases @@ -167,3 +167,5 @@ _priv_glfs_ipc _glfs_ipc$GFAPI_3.12.0 _pub_glfs_upcall_register _glfs_upcall_register$GFAPI_3.13.0 _pub_glfs_upcall_unregister _glfs_upcall_unregister$GFAPI_3.13.0 + +_pub_glfs_setfsleaseid _glfs_setfsleaseid$GFAPI_4.0.0 diff --git a/api/src/gfapi.map b/api/src/gfapi.map index bb9c0377353..aa30286c01b 100644 --- a/api/src/gfapi.map +++ b/api/src/gfapi.map @@ -220,3 +220,7 @@ GFAPI_3.13.0 { glfs_upcall_register; glfs_upcall_unregister; } GFAPI_PRIVATE_3.12.0; + +GFAPI_4.0.0 { + glfs_setfsleaseid; +} GFAPI_3.13.0; diff --git a/api/src/glfs.c b/api/src/glfs.c index 9aa817b3f3e..8c6916d0d85 100644 --- a/api/src/glfs.c +++ b/api/src/glfs.c @@ -596,6 +596,24 @@ pub_glfs_setfsgroups (size_t size, const gid_t *list) GFAPI_SYMVER_PUBLIC_DEFAULT(glfs_setfsgroups, 3.4.2); +int +pub_glfs_setfsleaseid (leaseid_t leaseid) +{ + int ret = -1; + char *gleaseid = NULL; + + GF_VALIDATE_OR_GOTO (THIS->name, leaseid, out); + + gleaseid = glusterfs_leaseid_buf_get(); + if (gleaseid) { + memcpy (gleaseid, leaseid, LEASE_ID_SIZE); + ret = 0; + } +out: + return ret; +} + +GFAPI_SYMVER_PUBLIC_DEFAULT(glfs_setfsleaseid, 4.0.0); struct glfs * pub_glfs_from_glfd (struct glfs_fd *glfd) diff --git a/api/src/glfs.h b/api/src/glfs.h index 198e4224a6b..42cbfe7ab6c 100644 --- a/api/src/glfs.h +++ b/api/src/glfs.h @@ -370,6 +370,9 @@ int glfs_get_volumeid (struct glfs *fs, char *volid, size_t size) __THROW struct glfs_fd; typedef struct glfs_fd glfs_fd_t; +#define GFAPI_LEASE_ID_SIZE 16 /* 128bits */ +typedef char leaseid_t[GFAPI_LEASE_ID_SIZE]; + /* * PER THREAD IDENTITY MODIFIERS * @@ -387,6 +390,8 @@ typedef struct glfs_fd glfs_fd_t; * caller * - The groups once set, need to be unset by setting the size to 0 (in which * case the list argument is a do not care) + * - In case of leases feature enables, setfsleaseid is used to set and reset + * leaseid before and after every I/O operation. * - Once a process for a thread of operation choses to set the IDs, all glfs * calls made from that thread would default to the IDs set for the thread. * As a result use these APIs with care and ensure that the set IDs are @@ -399,6 +404,8 @@ int glfs_setfsgid (gid_t fsgid) __THROW GFAPI_PUBLIC(glfs_setfsgid, 3.4.2); int glfs_setfsgroups (size_t size, const gid_t *list) __THROW GFAPI_PUBLIC(glfs_setfsgroups, 3.4.2); +int glfs_setfsleaseid (leaseid_t leaseid) __THROW + GFAPI_PUBLIC(glfs_setfsleaseid, 4.0.0); /* SYNOPSIS |