Eric Lee / smarc-fsl-linux-kernel

10 Aug, 2010

1 commit

  • f4e420dc4   clean up write_begin usage for directories in pagecache ... Browse Code »

    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

    Christoph Hellwig
     

28 May, 2010

1 commit

  • 1b061d924   rename the generic fsync implementations ... Browse Code »

    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

    Christoph Hellwig
     

15 May, 2010

1 commit

17 Jun, 2009

1 commit

12 Jun, 2009

1 commit

17 Oct, 2007

1 commit

08 May, 2007

1 commit

  • 6fe6900e1   mm: make read_cache_page synchronous ... Browse Code »

    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

    Nick Piggin
     

09 Dec, 2006

1 commit

23 Jun, 2006

1 commit

  • 090d2b185   [PATCH] read_mapping_page for address space ... Browse Code »

    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

    Pekka Enberg
     

02 Apr, 2006

1 commit

29 Mar, 2006

1 commit

  • 4b6f5d20b   [PATCH] Make most file operations structs in fs/ const ... Browse Code »

    This is a conversion to make the various file_operations structs in fs/
    const. Basically a regexp job, with a few manual fixups

    The goal is both to increase correctness (harder to accidentally write to
    shared datastructures) and reducing the false sharing of cachelines with
    things that get dirty in .data (while .rodata is nicely read only and thus
    cache clean)

    Signed-off-by: Arjan van de Ven
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Arjan van de Ven
     

09 Jan, 2006

1 commit

  • 54b21a799   [PATCH] fix possible PAGE_CACHE_SHIFT overflows ... Browse Code »

    We've had two instances recently of overflows when doing

    64_bit_value = (32_bit_value << PAGE_CACHE_SHIFT)

    I did a tree-wide grep of `<page_base)

    Cc: Oleg Drokin
    Cc: David Howells
    Cc: David Woodhouse
    Cc:
    Cc: Christoph Hellwig
    Cc: Anton Altaparmakov
    Cc: Jeff Dike
    Cc: Paolo 'Blaisorblade' Giarrusso
    Cc: Roman Zippel
    Cc:
    Cc: Miklos Szeredi
    Cc: Russell King
    Cc: Trond Myklebust
    Cc: Neil Brown
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Andrew Morton
     

17 Apr, 2005

1 commit

  • 1da177e4c   Linux-2.6.12-rc2 ... Browse Code »

    Initial git repository build. I'm not bothering with the full history,
    even though we have it. We can create a separate "historical" git
    archive of that later if we want to, and in the meantime it's about
    3.2GB when imported into git - space that would just make the early
    git days unnecessarily complicated, when we don't have a lot of good
    infrastructure for it.

    Let it rip!

    Linus Torvalds