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nilfs2: fix missing unlock in error path of nilfs_mdt_write_page

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This adds a missing unlock of nilfs->ns_writer_mutex in
nilfs_mdt_write_page() function.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi 2009-08-02 17:45:55 +09:00
parent a97778457f
commit 01a261e09a
1 changed files with 3 additions and 1 deletions
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4
fs/nilfs2/mdt.c
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@ -412,8 +412,10 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
return 0; /* Do not request flush for shadow page cache */
if (!sb) {
writer = nilfs_get_writer(NILFS_MDT(inode)->mi_nilfs);
if (!writer)
if (!writer) {
nilfs_put_writer(NILFS_MDT(inode)->mi_nilfs);
return -EROFS;
}
sb = writer->s_super;
}