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From 2de9ac218241648f1ec86b73aac728d713862a30 Mon Sep 17 00:00:00 2001
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From: moagrawa <moagrawa@redhat.com>
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Date: Fri, 4 May 2018 16:17:42 +0530
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Subject: [PATCH 254/260] posix: Avoid changelog retries for geo-rep
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Problem: georep is slowdown to migrate directory
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from master volume to slave volume due to lot
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of changelog retries
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Solution: Update the condition in posix_getxattr to
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ignore MDS_INTERNAL_XATTR as it(posix) ignored
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other internal xattrs
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> BUG: 1571069
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> Change-Id: I4d91ec73e5b1ca1cb3ecf0825ab9f49e261da70e
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> fixes: bz#1571069
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> Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
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> (cherry picked from commit f46047ea0f36084f4456887673552a01b926382d)
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> (Reviewed on: https://review.gluster.org/#/c/19930/)
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BUG: 1565577
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Change-Id: I85b2e8ed4adcbe34ee5a03acd068693978e9cfe4
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Signed-off-by: moagrawa <moagrawa@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/137779
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Kotresh Hiremath Ravishankar <khiremat@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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xlators/storage/posix/src/posix.c | 33 +++++++++++++++++++++++++++++++++
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1 file changed, 33 insertions(+)
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diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
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index c680e3f..416d9e4 100644
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--- a/xlators/storage/posix/src/posix.c
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+++ b/xlators/storage/posix/src/posix.c
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@@ -27,6 +27,7 @@
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#include <sys/uio.h>
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#include <unistd.h>
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#include <ftw.h>
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+#include <regex.h>
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#ifndef GF_BSD_HOST_OS
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#include <alloca.h>
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@@ -4625,6 +4626,27 @@ out:
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return ret;
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}
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+gf_boolean_t
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+posix_is_mds_xattr (const char *name)
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+{
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+ regex_t regcmpl;
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+ char *key = {"trusted.glusterfs.*.mds$"};
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+ regmatch_t result[1] = {{0} };
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+ gf_boolean_t status = _gf_false;
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+
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+ if (regcomp (®cmpl, key, REG_EXTENDED)) {
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+ goto out;
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+ }
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+ if (!regexec (®cmpl, name, 1, result, 0)) {
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+ status = _gf_true;
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+ goto out;
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+ }
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+out:
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+ regfree(®cmpl);
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+ return status;
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+}
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+
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+
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/**
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* posix_getxattr - this function returns a dictionary with all the
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* key:value pair present as xattr. used for
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@@ -4680,6 +4702,13 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
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goto out;
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}
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+ if (name && posix_is_mds_xattr (name)) {
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+ op_ret = -1;
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+ op_errno = ENOATTR;
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+ goto out;
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+ }
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+
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+
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if (loc->inode && IA_ISDIR(loc->inode->ia_type) && name &&
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ZR_FILE_CONTENT_REQUEST(name)) {
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ret = posix_get_file_contents (this, loc->gfid, &name[15],
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@@ -5049,6 +5078,10 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
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goto ignore;
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}
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+ if (posix_is_mds_xattr (keybuffer)) {
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+ goto ignore;
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+ }
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+
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memset (value_buf, '\0', sizeof(value_buf));
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have_val = _gf_false;
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size = sys_lgetxattr (real_path, keybuffer, value_buf,
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--
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1.8.3.1
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