diff options
| author | Mohit Agrawal <moagrawa@redhat.com> | 2017-07-15 17:55:14 +0530 |
|---|---|---|
| committer | Jeff Darcy <jeff@pl.atyp.us> | 2017-07-25 15:36:55 +0000 |
| commit | eb266ade1e2da5739ed66495755ec2784a5bf74b (patch) | |
| tree | 7344acb564f15da30f8279670bfdc56b96b21a7c /xlators/storage/posix/src/posix.h | |
| parent | 7140858c3816c89d22d81ddfaa1d270db5dfd622 (diff) | |
posix: Needs to reserve disk space to prevent the brick from getting full
Problem: Currently there is no option available at posix xlator to save the
disk from getting full
Solution: Introduce a new option storage.reserve at posix xlator to
configure disk threshold.posix xlator spawn a thread to update the
disk space status in posix private structure and same flag is checked
by every posix fop before start operation.If flag value is 1 then
it sets op_errno to ENOSPC and goto out from the fop.
BUG: 1471366
Change-Id: I98287cd409860f4c754fc69a332e0521bfb1b67e
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
Reviewed-on: https://review.gluster.org/17780
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Jeff Darcy <jeff@pl.atyp.us>
Diffstat (limited to 'xlators/storage/posix/src/posix.h')
| -rw-r--r-- | xlators/storage/posix/src/posix.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/xlators/storage/posix/src/posix.h b/xlators/storage/posix/src/posix.h index 81158266111..d83e2678572 100644 --- a/xlators/storage/posix/src/posix.h +++ b/xlators/storage/posix/src/posix.h @@ -63,6 +63,18 @@ #define GF_UNLINK_TRUE 0x0000000000000001 #define GF_UNLINK_FALSE 0x0000000000000000 +#define DISK_SPACE_CHECK_AND_GOTO(frame, priv, op_ret, op_errno, out) do { \ + if (frame->root->pid >= 0 && priv->disk_space_full) { \ + op_ret = -1; \ + op_errno = ENOSPC; \ + gf_msg_debug ("posix", ENOSPC, \ + "disk space utilization reached limits" \ + " for path %s ", priv->base_path); \ + goto out; \ + } \ + } while (0) + + /** * posix_fd - internal structure common to file and directory fd's */ @@ -167,6 +179,11 @@ struct posix_private { pthread_t health_check; gf_boolean_t health_check_active; + uint32_t disk_threshhold; + uint32_t disk_space_full; + pthread_t disk_space_check; + gf_boolean_t disk_space_check_active; + #ifdef GF_DARWIN_HOST_OS enum { XATTR_NONE = 0, @@ -274,6 +291,8 @@ __posix_fd_set_odirect (fd_t *fd, struct posix_fd *pfd, int opflags, off_t offset, size_t size); void posix_spawn_health_check_thread (xlator_t *this); +void posix_spawn_disk_space_check_thread (xlator_t *this); + void *posix_fsyncer (void *); int posix_get_ancestry (xlator_t *this, inode_t *leaf_inode, |