diff options
Diffstat (limited to 'fs/nilfs2/mdt.c')
| -rw-r--r-- | fs/nilfs2/mdt.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index 2dfd477..a5cd801 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -402,6 +402,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc) struct inode *inode = container_of(page->mapping, struct inode, i_data); struct super_block *sb = inode->i_sb; + struct the_nilfs *nilfs = NILFS_MDT(inode)->mi_nilfs; struct nilfs_sb_info *writer = NULL; int err = 0; @@ -411,9 +412,10 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc) if (page->mapping->assoc_mapping) return 0; /* Do not request flush for shadow page cache */ if (!sb) { - writer = nilfs_get_writer(NILFS_MDT(inode)->mi_nilfs); + down_read(&nilfs->ns_writer_sem); + writer = nilfs->ns_writer; if (!writer) { - nilfs_put_writer(NILFS_MDT(inode)->mi_nilfs); + up_read(&nilfs->ns_writer_sem); return -EROFS; } sb = writer->s_super; @@ -425,7 +427,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc) nilfs_flush_segment(sb, inode->i_ino); if (writer) - nilfs_put_writer(NILFS_MDT(inode)->mi_nilfs); + up_read(&nilfs->ns_writer_sem); return err; } |