linux-toradex.git/fs/hpfs/file.c, branch v4.9.123 Linux kernel for Apalis and Colibri modules hpfs: support FIEMAP 2016-10-05T22:31:58+00:00 Mikulas Patocka mikulas@twibright.com 2016-10-03T21:00:19+00:00 91fff9b347f9f69025e6557b3279cccedbcc744a Support the FIEMAP ioctl that reports extents allocated by a file. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Support the FIEMAP ioctl that reports extents allocated by a file.

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
hpfs: support hotfixes 2015-09-03T18:55:30+00:00 Mikulas Patocka mikulas@twibright.com 2015-09-02T20:50:12+00:00 a64eefaac1c5cc8dbc6995228fe08a61b8e1d26b When the OS/2 driver hits a disk write error, it writes the sector to another location and adds the sector mapping to the hotfix map. This patch makes the hpfs driver understand the hotfix map and remap accesses accoring to it. Signed-off-by: Mikulas Patocka <mikulas@twibright.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
When the OS/2 driver hits a disk write error, it writes the sector to
another location and adds the sector mapping to the hotfix map.

This patch makes the hpfs driver understand the hotfix map and remap
accesses accoring to it.

Signed-off-by: Mikulas Patocka <mikulas@twibright.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hpfs: add fstrim support 2015-07-09T20:35:30+00:00 Mikulas Patocka mikulas@twibright.com 2015-06-28T13:16:57+00:00 a27b5b97d6fe91f55058ad8ac28a8768700201ab This patch adds support for fstrim to the HPFS filesystem. Signed-off-by: Mikulas Patocka <mikulas@twibright.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
This patch adds support for fstrim to the HPFS filesystem.

Signed-off-by: Mikulas Patocka <mikulas@twibright.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
make new_sync_{read,write}() static 2015-04-12T02:29:40+00:00 Al Viro viro@zeniv.linux.org.uk 2015-04-03T19:41:18+00:00 5d5d568975307877e9195f5305f4240e506a2807 All places outside of core VFS that checked ->read and ->write for being NULL or called the methods directly are gone now, so NULL {read,write} with non-NULL {read,write}_iter will do the right thing in all cases. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
All places outside of core VFS that checked ->read and ->write for being NULL or
called the methods directly are gone now, so NULL {read,write} with non-NULL
{read,write}_iter will do the right thing in all cases.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
write_iter variants of {__,}generic_file_aio_write() 2014-05-06T21:38:00+00:00 Al Viro viro@zeniv.linux.org.uk 2014-04-03T07:17:43+00:00 8174202b34c30e0c07231bf63f18ab29af634f0b Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
switch simple generic_file_aio_read() users to ->read_iter() 2014-05-06T21:37:55+00:00 Al Viro viro@zeniv.linux.org.uk 2014-04-02T18:33:16+00:00 aad4f8bb42af06371aa0e85bf0cd9d52c0494985 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12T22:38:02+00:00 Kirill A. Shutemov kirill.shutemov@linux.intel.com 2013-09-12T22:13:56+00:00 7caef26767c1727d7abfbbbfbe8b2bb473430d48 truncate_pagecache() doesn't care about old size since commit cedabed49b39 ("vfs: Fix vmtruncate() regression"). Let's drop it. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
truncate_pagecache() doesn't care about old size since commit
cedabed49b39 ("vfs: Fix vmtruncate() regression").  Let's drop it.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hpfs: use mpage 2013-07-04T18:22:46+00:00 Mikulas Patocka mikulas@artax.karlin.mff.cuni.cz 2013-07-04T16:44:27+00:00 a0c1b7596323a2323d5f5c7d2404af7b58a1ef4e Use the mpage interface to improve performance. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
Use the mpage interface to improve performance.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hpfs: fix warnings when the filesystem fills up 2013-06-09T00:39:40+00:00 Mikulas Patocka mikulas@artax.karlin.mff.cuni.cz 2013-06-08T23:25:57+00:00 bbd465df73f0d8ba41b8a0732766a243d0f5b356 This patch fixes warnings due to missing lock on write error path. WARNING: at fs/hpfs/hpfs_fn.h:353 hpfs_truncate+0x75/0x80 [hpfs]() Hardware name: empty Pid: 26563, comm: dd Tainted: P O 3.9.4 #12 Call Trace: hpfs_truncate+0x75/0x80 [hpfs] hpfs_write_begin+0x84/0x90 [hpfs] _hpfs_bmap+0x10/0x10 [hpfs] generic_file_buffered_write+0x121/0x2c0 __generic_file_aio_write+0x1c7/0x3f0 generic_file_aio_write+0x7c/0x100 do_sync_write+0x98/0xd0 hpfs_file_write+0xd/0x50 [hpfs] vfs_write+0xa2/0x160 sys_write+0x51/0xa0 page_fault+0x22/0x30 system_call_fastpath+0x1a/0x1f Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Cc: stable@kernel.org # 2.6.39+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
This patch fixes warnings due to missing lock on write error path.

  WARNING: at fs/hpfs/hpfs_fn.h:353 hpfs_truncate+0x75/0x80 [hpfs]()
  Hardware name: empty
  Pid: 26563, comm: dd Tainted: P           O 3.9.4 #12
  Call Trace:
    hpfs_truncate+0x75/0x80 [hpfs]
    hpfs_write_begin+0x84/0x90 [hpfs]
    _hpfs_bmap+0x10/0x10 [hpfs]
    generic_file_buffered_write+0x121/0x2c0
    __generic_file_aio_write+0x1c7/0x3f0
    generic_file_aio_write+0x7c/0x100
    do_sync_write+0x98/0xd0
    hpfs_file_write+0xd/0x50 [hpfs]
    vfs_write+0xa2/0x160
    sys_write+0x51/0xa0
    page_fault+0x22/0x30
    system_call_fastpath+0x1a/0x1f

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: stable@kernel.org  # 2.6.39+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hpfs: move setting hpfs-private i_dirty to ->write_end() 2013-04-09T18:12:55+00:00 Al Viro viro@zeniv.linux.org.uk 2013-03-20T00:35:00+00:00 5f2e354f5212a49fc639c25de2581cc8ae90d11b ... so that writev(2) doesn't miss it. Get rid of hpfs_file_write(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
... so that writev(2) doesn't miss it.  Get rid of hpfs_file_write().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>