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| author | Andreas Gruenbacher <agruenba@redhat.com> | 2017-06-30 07:55:08 -0500 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2017-07-05 07:20:52 -0500 |
| commit | 6f6597baae206c544c49ad7f1129d5adc1e9019d (patch) | |
| tree | 3bcfcb1ebf6713cdd95f4146012c236e3d6f5fbf /fs/gfs2/inode.c | |
| parent | 4fd1a5795214bc6405f14691c1344ae8c3f17215 (diff) | |
| download | linux-6f6597baae206c544c49ad7f1129d5adc1e9019d.tar.gz linux-6f6597baae206c544c49ad7f1129d5adc1e9019d.tar.bz2 linux-6f6597baae206c544c49ad7f1129d5adc1e9019d.zip | |
gfs2: Protect gl->gl_object by spin lock
Put all remaining accesses to gl->gl_object under the
gl->gl_lockref.lock spinlock to prevent races.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/gfs2/inode.c')
| -rw-r--r-- | fs/gfs2/inode.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 912d4e66fabc..50108fa724c7 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -202,14 +202,14 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, fail_refresh: ip->i_iopen_gh.gh_flags |= GL_NOCACHE; - ip->i_iopen_gh.gh_gl->gl_object = NULL; + glock_set_object(ip->i_iopen_gh.gh_gl, NULL); gfs2_glock_dq_uninit(&ip->i_iopen_gh); fail_put: if (io_gl) gfs2_glock_put(io_gl); if (gfs2_holder_initialized(&i_gh)) gfs2_glock_dq_uninit(&i_gh); - ip->i_gl->gl_object = NULL; + glock_set_object(ip->i_gl, NULL); fail: iget_failed(inode); return ERR_PTR(error); @@ -706,7 +706,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (error) goto fail_free_inode; - ip->i_gl->gl_object = ip; + glock_set_object(ip->i_gl, ip); error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1); if (error) goto fail_free_inode; @@ -732,7 +732,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (error) goto fail_gunlock2; - ip->i_iopen_gh.gh_gl->gl_object = ip; + glock_set_object(ip->i_iopen_gh.gh_gl, ip); gfs2_glock_put(io_gl); gfs2_set_iop(inode); insert_inode_hash(inode); |