diff options
| author | David Howells <dhowells@redhat.com> | 2008-02-07 00:15:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 08:42:26 -0800 |
| commit | b46980feed937868d3333514028bfbe9a651e4ca (patch) | |
| tree | 97e610932986223932887af3c0ea00234856e540 /Documentation/filesystems/porting | |
| parent | e231c2ee64eb1c5cd3c63c31da9dac7d888dcf7f (diff) | |
iget: introduce a function to register iget failure
Introduce a function to register failure in an inode construction path. This
includes marking the inode under construction as bad, unlocking it and
releasing it.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/filesystems/porting')
| -rw-r--r-- | Documentation/filesystems/porting | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 0f33c77bc14..fbd3815a5f5 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -184,11 +184,19 @@ just takes the superblock and inode number as arguments and does the test and set for you. e.g. - inode = iget_locked(sb, ino); - if (inode->i_state & I_NEW) { - read_inode_from_disk(inode); - unlock_new_inode(inode); - } + inode = iget_locked(sb, ino); + if (inode->i_state & I_NEW) { + err = read_inode_from_disk(inode); + if (err < 0) { + iget_failed(inode); + return err; + } + unlock_new_inode(inode); + } + +Note that if the process of setting up a new inode fails, then iget_failed() +should be called on the inode to render it dead, and an appropriate error +should be passed back to the caller. --- [recommended] |