linux/fs/sysv/dir.c, branch v3.0.7

clean up write_begin usage for directories in pagecache

2010-08-09T20:47:31Z

For filesystem that implement directories in pagecache we call block_write_begin with an already allocated page for this code, while the normal regular file write path uses the default block_write_begin behaviour. Get rid of the __foofs_write_begin helper and opencode the normal write_begin call in foofs_write_begin, while adding a new foofs_prepare_chunk helper for the directory code. The added benefit is that foofs_prepare_chunk has a much saner calling convention. Note that the interruptible flag passed into block_write_begin is always ignored if we already pass in a page (see next patch for details), and we never were doing truncations of exessive blocks for this case either so we can switch directly to block_write_begin_newtrunc. Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro

rename the generic fsync implementations

2010-05-28T02:06:06Z

We don't name our generic fsync implementations very well currently. The no-op implementation for in-memory filesystems currently is called simple_sync_file which doesn't make too much sense to start with, the the generic one for simple filesystems is called simple_fsync which can lead to some confusion. This patch renames the generic file fsync method to generic_file_fsync to match the other generic_file_* routines it is supposed to be used with, and the no-op implementation to noop_fsync to make it obvious what to expect. In addition add some documentation for both methods. Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro

fs/sysv: dereferencing ERR_PTR()

2010-05-15T11:16:33Z

I moved the dir_put_page() inside the if condition so we don't dereference "page", if it's an ERR_PTR(). Signed-off-by: Dan Carpenter Signed-off-by: Al Viro

get rid of BKL in fs/sysv

2009-06-17T04:36:37Z

Signed-off-by: Al Viro

repair sysv_write_inode(), switch sysv to simple_fsync()

2009-06-12T01:36:12Z

Signed-off-by: Al Viro

sysv: convert to new aops

2007-10-16T16:42:57Z

Signed-off-by: Nick Piggin Cc: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

mm: make read_cache_page synchronous

2007-05-07T19:12:51Z

Ensure pages are uptodate after returning from read_cache_page, which allows us to cut out most of the filesystem-internal PageUptodate calls. I didn't have a great look down the call chains, but this appears to fixes 7 possible use-before uptodate in hfs, 2 in hfsplus, 1 in jfs, a few in ecryptfs, 1 in jffs2, and a possible cleared data overwritten with readpage in block2mtd. All depending on whether the filler is async and/or can return with a !uptodate page. Signed-off-by: Nick Piggin Cc: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] struct path: convert sysv

2006-12-08T16:28:50Z

Signed-off-by: Josef Sipek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] read_mapping_page for address space

2006-06-23T14:43:02Z

Add read_mapping_page() which is used for callers that pass mapping->a_ops->readpage as the filler for read_cache_page. This removes some duplication from filesystem code. Signed-off-by: Pekka Enberg Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

BUG_ON() Conversion in fs/sysv/

2006-04-02T11:39:21Z

this changes if() BUG(); constructs to BUG_ON() which is cleaner, contains unlikely() and can better optimized away. Signed-off-by: Eric Sesterhenn Signed-off-by: Adrian Bunk