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authorKotresh HR <khiremat@redhat.com>2019-04-09 18:23:05 +0530
committerAmar Tumballi <amarts@redhat.com>2019-04-15 02:23:44 +0000
commitc56f102da21c5b69e656a055aaf736281596284d (patch)
tree5c8c208dcaa9bf5abc886f7f469ba9c046bf148a /xlators/storage/posix/src/posix-helpers.c
parentbcd1207fcd8e7cc278971e16a781bca3c1606969 (diff)
posix/ctime: Fix stat(time attributes) inconsistency during readdirp
Problem: Creation of tar file on gluster volume throws warning 'file changed as we read it' Cause: During readdirp, for few of the files whose inode is not present, time attributes were served from backend. This caused the ctime of few files to be different between before readdir and after readdir by tar. Solution: If ctime feature is enabled and inode is not present, don't serve the time attributes from backend file, serve it from xattr. fixes: bz#1698078 Change-Id: I427ef865f97399475faf5aa6ca495f7e317603ae Signed-off-by: Kotresh HR <khiremat@redhat.com>
Diffstat (limited to 'xlators/storage/posix/src/posix-helpers.c')
-rw-r--r--xlators/storage/posix/src/posix-helpers.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c
index c7ab13d..d0fd45a 100644
--- a/xlators/storage/posix/src/posix-helpers.c
+++ b/xlators/storage/posix/src/posix-helpers.c
@@ -832,17 +832,26 @@ posix_pstat(xlator_t *this, inode_t *inode, uuid_t gfid, const char *path,
iatt_from_stat(&stbuf, &lstatbuf);
- if (inode && priv->ctime) {
- if (!inode_locked) {
- ret = posix_get_mdata_xattr(this, path, -1, inode, &stbuf);
+ if (priv->ctime) {
+ if (inode) {
+ if (!inode_locked) {
+ ret = posix_get_mdata_xattr(this, path, -1, inode, &stbuf);
+ } else {
+ ret = __posix_get_mdata_xattr(this, path, -1, inode, &stbuf);
+ }
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, errno, P_MSG_GETMDATA_FAILED,
+ "posix get mdata failed on gfid: %s",
+ uuid_utoa(inode->gfid));
+ goto out;
+ }
} else {
- ret = __posix_get_mdata_xattr(this, path, -1, inode, &stbuf);
- }
- if (ret) {
- gf_msg(this->name, GF_LOG_WARNING, errno, P_MSG_GETMDATA_FAILED,
- "posix get mdata failed on gfid: %s",
- uuid_utoa(inode->gfid));
- goto out;
+ ret = __posix_get_mdata_xattr(this, path, -1, NULL, &stbuf);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, errno, P_MSG_GETMDATA_FAILED,
+ "posix get mdata failed on path: %s", path);
+ goto out;
+ }
}
}