X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fafs%2Ffile.c;h=525f7c56e068d877e95dedea3a15dafc116fdb41;hb=d9ff963801e4f7648c55a27413a1b1de59480a30;hp=ae256498f4f70684e007bae54e40ff7dd2e0b027;hpb=260a980317dac80182dd76140cf67c6e81d6d3dd;p=linux-2.6-omap-h63xx.git diff --git a/fs/afs/file.c b/fs/afs/file.c index ae256498f4f..525f7c56e06 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -15,32 +15,45 @@ #include #include #include +#include #include "internal.h" -static int afs_file_readpage(struct file *file, struct page *page); -static void afs_file_invalidatepage(struct page *page, unsigned long offset); -static int afs_file_releasepage(struct page *page, gfp_t gfp_flags); +static int afs_readpage(struct file *file, struct page *page); +static void afs_invalidatepage(struct page *page, unsigned long offset); +static int afs_releasepage(struct page *page, gfp_t gfp_flags); +static int afs_launder_page(struct page *page); const struct file_operations afs_file_operations = { .open = afs_open, .release = afs_release, .llseek = generic_file_llseek, .read = do_sync_read, + .write = do_sync_write, .aio_read = generic_file_aio_read, + .aio_write = afs_file_write, .mmap = generic_file_readonly_mmap, - .sendfile = generic_file_sendfile, + .splice_read = generic_file_splice_read, + .fsync = afs_fsync, + .lock = afs_lock, + .flock = afs_flock, }; const struct inode_operations afs_file_inode_operations = { - .getattr = afs_inode_getattr, + .getattr = afs_getattr, + .setattr = afs_setattr, .permission = afs_permission, }; const struct address_space_operations afs_fs_aops = { - .readpage = afs_file_readpage, - .set_page_dirty = __set_page_dirty_nobuffers, - .releasepage = afs_file_releasepage, - .invalidatepage = afs_file_invalidatepage, + .readpage = afs_readpage, + .set_page_dirty = afs_set_page_dirty, + .launder_page = afs_launder_page, + .releasepage = afs_releasepage, + .invalidatepage = afs_invalidatepage, + .prepare_write = afs_prepare_write, + .commit_write = afs_commit_write, + .writepage = afs_writepage, + .writepages = afs_writepages, }; /* @@ -52,7 +65,7 @@ int afs_open(struct inode *inode, struct file *file) struct key *key; int ret; - _enter("{%x:%x},", vnode->fid.vid, vnode->fid.vnode); + _enter("{%x:%u},", vnode->fid.vid, vnode->fid.vnode); key = afs_request_key(vnode->volume->cell); if (IS_ERR(key)) { @@ -78,7 +91,7 @@ int afs_release(struct inode *inode, struct file *file) { struct afs_vnode *vnode = AFS_FS_I(inode); - _enter("{%x:%x},", vnode->fid.vid, vnode->fid.vnode); + _enter("{%x:%u},", vnode->fid.vid, vnode->fid.vnode); key_put(file->private_data); _leave(" = 0"); @@ -89,10 +102,10 @@ int afs_release(struct inode *inode, struct file *file) * deal with notification that a page was read from the cache */ #ifdef AFS_CACHING_SUPPORT -static void afs_file_readpage_read_complete(void *cookie_data, - struct page *page, - void *data, - int error) +static void afs_readpage_read_complete(void *cookie_data, + struct page *page, + void *data, + int error) { _enter("%p,%p,%p,%d", cookie_data, page, data, error); @@ -109,10 +122,10 @@ static void afs_file_readpage_read_complete(void *cookie_data, * deal with notification that a page was written to the cache */ #ifdef AFS_CACHING_SUPPORT -static void afs_file_readpage_write_complete(void *cookie_data, - struct page *page, - void *data, - int error) +static void afs_readpage_write_complete(void *cookie_data, + struct page *page, + void *data, + int error) { _enter("%p,%p,%p,%d", cookie_data, page, data, error); @@ -121,9 +134,9 @@ static void afs_file_readpage_write_complete(void *cookie_data, #endif /* - * AFS read page from file (or symlink) + * AFS read page from file, directory or symlink */ -static int afs_file_readpage(struct file *file, struct page *page) +static int afs_readpage(struct file *file, struct page *page) { struct afs_vnode *vnode; struct inode *inode; @@ -218,27 +231,10 @@ error: return ret; } -/* - * get a page cookie for the specified page - */ -#ifdef AFS_CACHING_SUPPORT -int afs_cache_get_page_cookie(struct page *page, - struct cachefs_page **_page_cookie) -{ - int ret; - - _enter(""); - ret = cachefs_page_get_private(page,_page_cookie, GFP_NOIO); - - _leave(" = %d", ret); - return ret; -} -#endif - /* * invalidate part or all of a page */ -static void afs_file_invalidatepage(struct page *page, unsigned long offset) +static void afs_invalidatepage(struct page *page, unsigned long offset) { int ret = 1; @@ -247,11 +243,6 @@ static void afs_file_invalidatepage(struct page *page, unsigned long offset) BUG_ON(!PageLocked(page)); if (PagePrivate(page)) { -#ifdef AFS_CACHING_SUPPORT - struct afs_vnode *vnode = AFS_FS_I(page->mapping->host); - cachefs_uncache_page(vnode->cache,page); -#endif - /* We release buffers only if the entire page is being * invalidated. * The get_block cached value has been unconditionally @@ -271,26 +262,34 @@ static void afs_file_invalidatepage(struct page *page, unsigned long offset) _leave(" = %d", ret); } +/* + * write back a dirty page + */ +static int afs_launder_page(struct page *page) +{ + _enter("{%lu}", page->index); + + return 0; +} + /* * release a page and cleanup its private data */ -static int afs_file_releasepage(struct page *page, gfp_t gfp_flags) +static int afs_releasepage(struct page *page, gfp_t gfp_flags) { - struct cachefs_page *pageio; + struct afs_vnode *vnode = AFS_FS_I(page->mapping->host); + struct afs_writeback *wb; - _enter("{%lu},%x", page->index, gfp_flags); + _enter("{{%x:%u}[%lu],%lx},%x", + vnode->fid.vid, vnode->fid.vnode, page->index, page->flags, + gfp_flags); if (PagePrivate(page)) { -#ifdef AFS_CACHING_SUPPORT - struct afs_vnode *vnode = AFS_FS_I(page->mapping->host); - cachefs_uncache_page(vnode->cache, page); -#endif - - pageio = (struct cachefs_page *) page_private(page); + wb = (struct afs_writeback *) page_private(page); + ASSERT(wb != NULL); set_page_private(page, 0); ClearPagePrivate(page); - - kfree(pageio); + afs_put_writeback(wb); } _leave(" = 0");