c459b4cbb4
Resolves: bz#1569657 bz#1608352 bz#1609163 bz#1609724 bz#1610825 Resolves: bz#1611151 bz#1612098 bz#1615338 bz#1615440 Signed-off-by: Milind Changire <mchangir@redhat.com>
51 lines
2.1 KiB
Diff
51 lines
2.1 KiB
Diff
From d542543faf4eca04737ddfe215e8988a700caf42 Mon Sep 17 00:00:00 2001
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From: Amar Tumballi <amarts@redhat.com>
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Date: Thu, 9 Aug 2018 10:17:56 +0530
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Subject: [PATCH 348/351] posix: disable block and character files
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The special files (block and character) needn't be supported on
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n/w filesystem. As each of these files are used closely with the
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host machine, instead of client data, we would be tied to server.
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BUG: 1610966
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Change-Id: Id65f1a6c51876a84c56cf691bb44a3e85ae73d70
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Signed-off-by: Amar Tumballi <amarts@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/146526
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Reviewed-by: FNU Raghavendra Manjunath <raghavendra@redhat.com>
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Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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---
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xlators/storage/posix/src/posix.c | 17 +++++++++++++++++
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1 file changed, 17 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 49b272f..28d2e6f 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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@@ -1452,6 +1452,23 @@ posix_mknod (call_frame_t *frame, xlator_t *this,
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}
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+ if (((mode & S_IFMT) == S_IFBLK) || ((mode & S_IFMT) == S_IFCHR)) {
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+ /* Man page 'man 2 mknod':
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+ EPERM mode requested creation of something other than
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+ a regular file, FIFO (named pipe), or UNIX domain socket,
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+ and the caller is not privileged (Linux: does not have the
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+ CAP_MKNOD capability); also returned if the filesystem
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+ containing pathname does not support the type of node
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+ requested.
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+ */
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+ op_ret = -1;
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+ op_errno = EPERM;
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+ gf_msg (this->name, GF_LOG_ERROR, op_errno, P_MSG_MKNOD_FAILED,
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+ "%s: mknod failed as Block and Character devices "
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+ "are not supported on GlusterFS", real_path);
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+ goto out;
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+ }
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+
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op_ret = posix_pstat (this, loc->pargfid, par_path, &preparent);
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if (op_ret == -1) {
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op_errno = errno;
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--
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1.8.3.1
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