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From 9656e92cfcd3db351c149e78ca36a4f3cf4c37f3 Mon Sep 17 00:00:00 2001
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From: Amar Tumballi <amarts@redhat.com>
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Date: Fri, 10 Aug 2018 15:28:35 +0530
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Subject: [PATCH 338/351] posix: prevent crash when SEEK_DATA/HOLE is not
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supported
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Instead of not defining the 'seek' fop when it's not supported on the
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compilation platform, we simply return EINVAL when it's used.
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Upstream reference:
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> URL: https://review.gluster.org/20625
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> Fixes: bz#1611834
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> Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
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BUG: 1610825
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Change-Id: I253666d8910c5e2fffa3a3ba37085e5c1c058a8e
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Signed-off-by: Amar Tumballi <amarts@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/146682
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Tested-by: RHGS Build Bot <nigelb@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 | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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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 c3b7120..5203068 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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@@ -1184,11 +1184,11 @@ posix_ipc (call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata)
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}
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-#ifdef HAVE_SEEK_HOLE
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static int32_t
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posix_seek (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
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gf_seek_what_t what, dict_t *xdata)
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{
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+#ifdef HAVE_SEEK_HOLE
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struct posix_fd *pfd = NULL;
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off_t ret = -1;
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int err = 0;
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@@ -1236,9 +1236,11 @@ out:
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STACK_UNWIND_STRICT (seek, frame, (ret == -1 ? -1 : 0), err,
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(ret == -1 ? -1 : ret), xdata);
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+#else
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+ STACK_UNWIND_STRICT (seek, frame, -1, EINVAL, 0, NULL);
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+#endif
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return 0;
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}
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-#endif
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int32_t
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posix_opendir (call_frame_t *frame, xlator_t *this,
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@@ -8018,9 +8020,7 @@ struct xlator_fops fops = {
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.discard = posix_discard,
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.zerofill = posix_zerofill,
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.ipc = posix_ipc,
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-#ifdef HAVE_SEEK_HOLE
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.seek = posix_seek,
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-#endif
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.lease = posix_lease,
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};
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--
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1.8.3.1
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