diff options
author | Mohammed Rafi KC <rkavunga@redhat.com> | 2015-04-23 23:13:50 +0530 |
---|---|---|
committer | Niels de Vos <ndevos@redhat.com> | 2015-05-10 08:51:54 -0700 |
commit | 10388ffa61409f944ed29dca27d12259f2237634 (patch) | |
tree | 4edbbab85827d8a8480d411ffc8495e86b9f8561 /xlators/features/snapview-client | |
parent | da48a6a596251c19a8ddb1bdfec3da9744a78b8f (diff) |
uss : implement statfs fop for snapd
Backport of http://review.gluster.org/#/c/10358/
snapview-client and snapview-server doesnot have statfs
fop implemented
Change-Id: I2cdd4c5784414b0549a01af9a28dbc723b7cdc67
BUG: 1218741
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
Reviewed-on: http://review.gluster.org/10740
Tested-by: NetBSD Build System
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Diffstat (limited to 'xlators/features/snapview-client')
-rw-r--r-- | xlators/features/snapview-client/src/snapview-client.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/xlators/features/snapview-client/src/snapview-client.c b/xlators/features/snapview-client/src/snapview-client.c index 8351922af24..2f304aa7d3f 100644 --- a/xlators/features/snapview-client/src/snapview-client.c +++ b/xlators/features/snapview-client/src/snapview-client.c @@ -498,6 +498,64 @@ out: return 0; } +int32_t +svc_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *xdata) +{ + xlator_t *subvolume = NULL; + int32_t ret = -1; + int inode_type = -1; + int32_t op_ret = -1; + int32_t op_errno = EINVAL; + gf_boolean_t wind = _gf_false; + svc_private_t *priv = NULL; + const char *path = NULL; + int path_len = -1; + int snap_len = -1; + loc_t root_loc = {0,}; + loc_t *temp_loc = NULL; + + GF_VALIDATE_OR_GOTO ("svc", this, out); + GF_VALIDATE_OR_GOTO (this->name, frame, out); + GF_VALIDATE_OR_GOTO (this->name, loc, out); + GF_VALIDATE_OR_GOTO (this->name, loc->inode, out); + + priv = this->private; + SVC_GET_SUBVOL_FROM_CTX (this, op_ret, op_errno, inode_type, ret, + loc->inode, subvolume, out); + path_len = strlen (loc->path); + snap_len = strlen (priv->path); + temp_loc = loc; + + if (path_len >= snap_len && inode_type == VIRTUAL_INODE) { + path = &loc->path[path_len - snap_len]; + if (!strcmp (path, priv->path)) { + /* + * statfs call for virtual snap directory. + * Sent the fops to parent volume by removing + * virtual directory from path + */ + subvolume = FIRST_CHILD (this); + root_loc.path = "/"; + gf_uuid_clear(root_loc.gfid); + root_loc.gfid[15] = 1; + root_loc.inode = loc->inode->table->root; + root_loc.inode->ia_type = IA_IFDIR; + temp_loc = &root_loc; + } + } + + STACK_WIND_TAIL (frame, subvolume, subvolume->fops->statfs, + temp_loc, xdata); + + wind = _gf_true; +out: + if (!wind) + SVC_STACK_UNWIND (statfs, frame, op_ret, op_errno, + NULL, NULL); + return 0; +} + /* should all the fops be handled like lookup is supposed to be handled? i.e just based on inode type decide where the call should be sent and in the call back update the contexts. @@ -2303,6 +2361,7 @@ struct xlator_fops fops = { .opendir = svc_opendir, .stat = svc_stat, .fstat = svc_fstat, + .statfs = svc_statfs, .rmdir = svc_rmdir, .rename = svc_rename, .mkdir = svc_mkdir, |