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| author | David Howells <dhowells@redhat.com> | 2007-05-09 02:33:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:30:50 -0700 |
| commit | 416351f28d2b31d15ff73e9aff699b2163704c95 (patch) | |
| tree | 4b43838415b2cb95dfc66f9bc5fdb36b0f245e6c /fs/afs/inode.c | |
| parent | ef71c15c46a053818f7e69098ebb052b31ffa56b (diff) | |
| download | lwn-416351f28d2b31d15ff73e9aff699b2163704c95.tar.gz lwn-416351f28d2b31d15ff73e9aff699b2163704c95.zip | |
AFS: AFS fixups
Make some miscellaneous changes to the AFS filesystem:
(1) Assert RCU barriers on module exit to make sure RCU has finished with
callbacks in this module.
(2) Correctly handle the AFS server returning a zero-length read.
(3) Split out data zapping calls into one function (afs_zap_data).
(4) Rename some afs_file_*() functions to afs_*() where they apply to
non-regular files too.
(5) Be consistent about the presentation of volume ID:vnode ID in debugging
output.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/afs/inode.c')
| -rw-r--r-- | fs/afs/inode.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/fs/afs/inode.c b/fs/afs/inode.c index c184a4ee5995..9c984cc42cc9 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -125,7 +125,7 @@ struct inode *afs_iget(struct super_block *sb, struct key *key, struct inode *inode; int ret; - _enter(",{%u,%u,%u},,", fid->vid, fid->vnode, fid->unique); + _enter(",{%x:%u.%u},,", fid->vid, fid->vnode, fid->unique); as = sb->s_fs_info; data.volume = as->volume; @@ -204,6 +204,19 @@ bad_inode: } /* + * mark the data attached to an inode as obsolete due to a write on the server + * - might also want to ditch all the outstanding writes and dirty pages + */ +void afs_zap_data(struct afs_vnode *vnode) +{ + kenter("zap data {%x:%u}", vnode->fid.vid, vnode->fid.vnode); + + /* nuke all the non-dirty pages that aren't locked, mapped or being + * written back */ + invalidate_remote_inode(&vnode->vfs_inode); +} + +/* * validate a vnode/inode * - there are several things we need to check * - parent dir data changes (rm, rmdir, rename, mkdir, create, link, @@ -258,10 +271,8 @@ int afs_validate(struct afs_vnode *vnode, struct key *key) /* if the vnode's data version number changed then its contents are * different */ - if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) { - _debug("zap data {%x:%d}", vnode->fid.vid, vnode->fid.vnode); - invalidate_remote_inode(&vnode->vfs_inode); - } + if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) + afs_zap_data(vnode); clear_bit(AFS_VNODE_MODIFIED, &vnode->flags); mutex_unlock(&vnode->validate_lock); @@ -278,7 +289,7 @@ error_unlock: /* * read the attributes of an inode */ -int afs_inode_getattr(struct vfsmount *mnt, struct dentry *dentry, +int afs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { struct inode *inode; @@ -301,7 +312,7 @@ void afs_clear_inode(struct inode *inode) vnode = AFS_FS_I(inode); - _enter("{%x:%d.%d} v=%u x=%u t=%u }", + _enter("{%x:%u.%d} v=%u x=%u t=%u }", vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique, |