diff options
Diffstat (limited to 'fs/gfs2/ops_address.c')
| -rw-r--r-- | fs/gfs2/ops_address.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index f55394e57cb2..2b556dd034bb 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -507,26 +507,23 @@ static int __gfs2_readpage(void *file, struct page *page) static int gfs2_readpage(struct file *file, struct page *page) { struct gfs2_inode *ip = GFS2_I(page->mapping->host); - struct gfs2_holder *gh; + struct gfs2_holder gh; int error; - gh = gfs2_glock_is_locked_by_me(ip->i_gl); - if (!gh) { - gh = kmalloc(sizeof(struct gfs2_holder), GFP_NOFS); - if (!gh) - return -ENOBUFS; - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, gh); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME|LM_FLAG_TRY_1CB, &gh); + error = gfs2_glock_nq_atime(&gh); + if (unlikely(error)) { unlock_page(page); - error = gfs2_glock_nq_atime(gh); - if (likely(error != 0)) - goto out; - return AOP_TRUNCATED_PAGE; + goto out; } error = __gfs2_readpage(file, page); - gfs2_glock_dq(gh); + gfs2_glock_dq(&gh); out: - gfs2_holder_uninit(gh); - kfree(gh); + gfs2_holder_uninit(&gh); + if (error == GLR_TRYFAILED) { + yield(); + return AOP_TRUNCATED_PAGE; + } return error; } |