diff options
| author | James Simmons <jsimmons@infradead.org> | 2018-04-16 00:15:10 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-03 07:55:25 +0200 |
| commit | 1c802923321df0685e10124ebba10a527cb43ff8 (patch) | |
| tree | 635e7f7ca9bbf5d0a60df6755b0279fb045f8332 | |
| parent | 5f5e70d7ec14d2b194f06e7ebe7f9396b4cdbb5f (diff) | |
staging: lustre: llite: correct removexattr detection
[ Upstream commit 1b60f6dfa38403ff7c4d0b4b7ecdb810f9789a2a ]
In ll_xattr_set_common() detect the removexattr() case correctly by
testing for a NULL value as well as XATTR_REPLACE.
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10787
Reviewed-on: https://review.whamcloud.com/
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/xattr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c index e070adb7a3cc..57121fd5f050 100644 --- a/drivers/staging/lustre/lustre/llite/xattr.c +++ b/drivers/staging/lustre/lustre/llite/xattr.c @@ -103,7 +103,11 @@ ll_xattr_set_common(const struct xattr_handler *handler, __u64 valid; int rc; - if (flags == XATTR_REPLACE) { + /* When setxattr() is called with a size of 0 the value is + * unconditionally replaced by "". When removexattr() is + * called we get a NULL value and XATTR_REPLACE for flags. + */ + if (!value && flags == XATTR_REPLACE) { ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_REMOVEXATTR, 1); valid = OBD_MD_FLXATTRRM; } else { |