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| author |   Suresh Jayaraman <sjayaraman@suse.de> | 2010-07-05 18:13:00 +0530 |
|---|---|---|
| committer |   Steve French <sfrench@us.ibm.com> | 2010-08-02 12:40:36 +0000 |
| commit | 85f2d6b44d7e83bdeab87df910127c6f296866cf (patch) | |
| tree | 238389c1726e212a80336551809b44b0bbedec38 /fs/cifs/file.c | |
| parent | cifs: define inode-level cache object and register them (diff) | |
| download | linux-dev-85f2d6b44d7e83bdeab87df910127c6f296866cf.tar.xz linux-dev-85f2d6b44d7e83bdeab87df910127c6f296866cf.zip | |
cifs: FS-Cache page management
Takes care of invalidation and release of FS-Cache marked pages and also
invalidation of the FsCache page flag when the inode is removed.
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index d302d941f9ac..f677ede766d1 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2267,6 +2267,22 @@ out: return rc; } +static int cifs_release_page(struct page *page, gfp_t gfp) +{ + if (PagePrivate(page)) + return 0; + + return cifs_fscache_release_page(page, gfp); +} + +static void cifs_invalidate_page(struct page *page, unsigned long offset) +{ + struct cifsInodeInfo *cifsi = CIFS_I(page->mapping->host); + + if (offset == 0) + cifs_fscache_invalidate_page(page, &cifsi->vfs_inode); +} + static void cifs_oplock_break(struct slow_work *work) { @@ -2340,6 +2356,8 @@ const struct address_space_operations cifs_addr_ops = { .write_begin = cifs_write_begin, .write_end = cifs_write_end, .set_page_dirty = __set_page_dirty_nobuffers, + .releasepage = cifs_release_page, + .invalidatepage = cifs_invalidate_page, /* .sync_page = cifs_sync_page, */ /* .direct_IO = */ }; @@ -2356,6 +2374,8 @@ const struct address_space_operations cifs_addr_ops_smallbuf = { .write_begin = cifs_write_begin, .write_end = cifs_write_end, .set_page_dirty = __set_page_dirty_nobuffers, + .releasepage = cifs_release_page, + .invalidatepage = cifs_invalidate_page, /* .sync_page = cifs_sync_page, */ /* .direct_IO = */ }; |