diff options
| author | Bob Peterson <rpeterso@redhat.com> | 2014-01-06 17:16:01 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-25 08:27:11 -0800 |
| commit | 350f737ed039d2b36329ddcbcdf78e12c6d8c758 (patch) | |
| tree | da7fcf9dd5409232bd8950d5105ad7bc92cf70f3 | |
| parent | 6826621350ecf4ec5f3508aa9e853e60e766e221 (diff) | |
GFS2: Increase i_writecount during gfs2_setattr_chown
commit 62e96cf81988101fe9e086b2877307b6adda5197 upstream.
This patch calls get_write_access in function gfs2_setattr_chown,
which merely increases inode->i_writecount for the duration of the
function. That will ensure that any file closes won't delete the
inode's multi-block reservation while the function is running.
It also ensures that a multi-block reservation exists when needed
for quota change operations during the chown.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/gfs2/inode.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 62b484e4a9e..bc5dac40012 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1536,10 +1536,22 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) if (!(attr->ia_valid & ATTR_GID) || gid_eq(ogid, ngid)) ogid = ngid = NO_GID_QUOTA_CHANGE; - error = gfs2_quota_lock(ip, nuid, ngid); + error = get_write_access(inode); if (error) return error; + error = gfs2_rs_alloc(ip); + if (error) + goto out; + + error = gfs2_rindex_update(sdp); + if (error) + goto out; + + error = gfs2_quota_lock(ip, nuid, ngid); + if (error) + goto out; + if (!uid_eq(ouid, NO_UID_QUOTA_CHANGE) || !gid_eq(ogid, NO_GID_QUOTA_CHANGE)) { error = gfs2_quota_check(ip, nuid, ngid); @@ -1566,6 +1578,8 @@ out_end_trans: gfs2_trans_end(sdp); out_gunlock_q: gfs2_quota_unlock(ip); +out: + put_write_access(inode); return error; } |