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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/rgrp.c | |
| parent | 4fd1a5795214bc6405f14691c1344ae8c3f17215 (diff) | |
| download | linux-stable-6f6597baae206c544c49ad7f1129d5adc1e9019d.tar.gz linux-stable-6f6597baae206c544c49ad7f1129d5adc1e9019d.tar.bz2 linux-stable-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/rgrp.c')
| -rw-r--r-- | fs/gfs2/rgrp.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 83c9909ff14a..836e38ba5d0a 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -705,9 +705,7 @@ void gfs2_clear_rgrpd(struct gfs2_sbd *sdp) rb_erase(n, &sdp->sd_rindex_tree); if (gl) { - spin_lock(&gl->gl_lockref.lock); - gl->gl_object = NULL; - spin_unlock(&gl->gl_lockref.lock); + glock_set_object(gl, NULL); gfs2_glock_add_to_lru(gl); gfs2_glock_put(gl); } @@ -917,7 +915,7 @@ static int read_rindex_entry(struct gfs2_inode *ip) error = rgd_insert(rgd); spin_unlock(&sdp->sd_rindex_spin); if (!error) { - rgd->rd_gl->gl_object = rgd; + glock_set_object(rgd->rd_gl, rgd); rgd->rd_gl->gl_vm.start = (rgd->rd_addr * bsize) & PAGE_MASK; rgd->rd_gl->gl_vm.end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1; |