[PATCH 0/9 V3] New ->fiemap infrastructure and ->bmap removal

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Hi.

This is the 3rd version of the complete series with the goal to remove ->bmap
interface completely, in lieu of FIEMAP.

This new version has been slightly modified in comparison with the second one,
based on reviews of the second version. My apologies if I forgot to update
anything based on previous discussion.

Patch 1-3 have no difference from the previous version, and Christoph's
Reviewed-by has been kept.

Patch 4 is a V3 of the previous set, Containing just a small update renaming a
variable.

Patches 5-6 are the same from previous version, including now Christoph's
Reviewed-by tahg.

Patch 7 contains a merge of patches 7 and 8 from the previous version, a small
conflict fix when rebasing on top of linux-next, and a rename of the pointer
holding the fiemap callback.

Patch 8 is the biggest change in this patchset, and has been flagged as a RFC
giving the fact we have not reached a decision on how the replacement of ->bmap
by ->fiemap should be done. The patch description has all details.

Patch 9 is a V2 from the previous patchset, including removal of iomap unused
functions.

As always, comments are much appreciated.

Cheers


Carlos Maiolino (9):
  fs: Enable bmap() function to properly return errors
  cachefiles: drop direct usage of ->bmap method.
  ecryptfs: drop direct calls to ->bmap
  fibmap: Use bmap instead of ->bmap method in ioctl_fibmap
  fs: Move start and length fiemap fields into fiemap_extent_info
  iomap: Remove length and start fields from iomap_fiemap
  fiemap: Use a callback to fill fiemap extents
  Use FIEMAP for FIBMAP calls
  xfs: Get rid of ->bmap

 drivers/md/md-bitmap.c |  16 ++++--
 fs/bad_inode.c         |   3 +-
 fs/btrfs/inode.c       |   5 +-
 fs/cachefiles/rdwr.c   |  27 ++++-----
 fs/ecryptfs/mmap.c     |  16 ++----
 fs/ext2/ext2.h         |   3 +-
 fs/ext2/inode.c        |   6 +-
 fs/ext4/ext4.h         |   3 +-
 fs/ext4/extents.c      |  15 +++--
 fs/f2fs/data.c         |  10 +++-
 fs/f2fs/f2fs.h         |   3 +-
 fs/gfs2/inode.c        |   5 +-
 fs/hpfs/file.c         |   4 +-
 fs/inode.c             | 106 +++++++++++++++++++++++++++++-----
 fs/ioctl.c             | 126 ++++++++++++++++++++++++++---------------
 fs/iomap.c             |  40 ++-----------
 fs/jbd2/journal.c      |  22 ++++---
 fs/nilfs2/inode.c      |   5 +-
 fs/nilfs2/nilfs.h      |   3 +-
 fs/ocfs2/extent_map.c  |  13 ++++-
 fs/ocfs2/extent_map.h  |   3 +-
 fs/overlayfs/inode.c   |   5 +-
 fs/xfs/xfs_aops.c      |  24 --------
 fs/xfs/xfs_iops.c      |  19 ++++---
 fs/xfs/xfs_trace.h     |   1 -
 include/linux/fs.h     |  33 +++++++----
 include/linux/iomap.h  |   2 +-
 mm/page_io.c           |  11 ++--
 28 files changed, 309 insertions(+), 220 deletions(-)

-- 
2.17.2




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