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authorRavishankar N <ravishankar@redhat.com>2013-10-15 22:37:44 +0530
committerAnand Avati <avati@redhat.com>2013-10-16 19:30:14 -0700
commitdfe698bae7f4bbc5f506d29473888239a82156fc (patch)
treea15a53b0e0d9d7bc2535e7bee4051f0471d2123e /xlators/cluster/afr/src/afr.h
parent656db3a8e0601ba0a6af303b971111fbbed29906 (diff)
afr: check for split-brain before proceeding with fops
Bail out of fops if split brain has been detected during lookup Change-Id: Id387dbb1a25eec4a121dedceadc6069bdea24b5d BUG: 1010834 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: http://review.gluster.org/5988 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster/afr/src/afr.h')
-rw-r--r--xlators/cluster/afr/src/afr.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index fcd46c6edca..12dce541cf3 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -1162,6 +1162,27 @@ afr_xattr_array_destroy (dict_t **xattr, unsigned int child_count);
} while (0);
+#define AFR_SBRAIN_MSG "Failed on %s as split-brain is seen. Returning EIO."
+
+#define AFR_SBRAIN_CHECK_FD(fd, label) do { \
+ if (fd->inode && afr_is_split_brain (this, fd->inode)) { \
+ op_errno = EIO; \
+ gf_log (this->name, GF_LOG_WARNING, \
+ AFR_SBRAIN_MSG ,uuid_utoa (fd->inode->gfid)); \
+ goto label; \
+ } \
+} while (0)
+
+#define AFR_SBRAIN_CHECK_LOC(loc, label) do { \
+ if (loc->inode && afr_is_split_brain (this, loc->inode)) { \
+ op_errno = EIO; \
+ loc_path (loc, NULL); \
+ gf_log (this->name, GF_LOG_WARNING, \
+ AFR_SBRAIN_MSG , loc->path); \
+ goto label; \
+ } \
+} while (0)
+
int
afr_fd_report_unstable_write (xlator_t *this, fd_t *fd);