Mark Fasheh
c4b929b85b
vfs: vfs-level fiemap interface ...
Basic vfs-level fiemap infrastructure, which sets up a new ->fiemap
inode operation.
Userspace can get extent information on a file via fiemap ioctl. As input,
the fiemap ioctl takes a struct fiemap which includes an array of struct
fiemap_extent (fm_extents). Size of the extent array is passed as
fm_extent_count and number of extents returned will be written into
fm_mapped_extents. Offset and length fields on the fiemap structure
(fm_start, fm_length) describe a logical range which will be searched for
extents. All extents returned will at least partially contain this range.
The actual extent offsets and ranges returned will be unmodified from their
offset and range on-disk.
The fiemap ioctl returns '0' on success. On error, -1 is returned and errno
is set. If errno is equal to EBADR, then fm_flags will contain those flags
which were passed in which the kernel did not understand. On all other
errors, the contents of fm_extents is undefined.
As fiemap evolved, there have been many authors of the vfs patch. As far as
I can tell, the list includes:
Kalpak Shah <kalpak.shah@sun.com>
Andreas Dilger <adilger@sun.com>
Eric Sandeen <sandeen@redhat.com>
Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Cc: linux-api@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org
2008-10-08 19:44:18 -04:00
docsrc: build Documentation/ sources
2008-08-12 16:07:30 -07:00
Documentation: move rpc-cache.txt to filesystems/
2008-04-11 13:20:52 -06:00
9p: add virtio transport
2007-10-23 13:47:31 -05:00
Fix typos in /Documentation : 'U-Z'
2006-11-30 04:58:40 +01:00
[AFS]: Update the AFS fs documentation.
2007-04-26 15:57:43 -07:00
VFS: Unexport do_kern_mount() and clean up simple_pin_fs()
2006-06-09 09:34:16 -04:00
Fix typos in Documentation/: 'Q'-'R'
2006-10-03 22:54:15 +02:00
remove mention of CONFIG_KMOD from documentation
2008-07-22 19:24:29 +10:00
Documentation: Fix up docs still talking about i_sem
2007-05-24 10:16:17 -07:00
Fix typos in Documentation/: 'D'-'E'
2006-10-03 22:47:42 +02:00
Documentation: move dnotify.txt to filesystems/
2008-02-07 08:42:17 -08:00
eCryptfs: Move ecryptfs docs into Documentation/filesystems/
2007-07-17 10:23:08 -07:00
exportfs: update documentation
2007-10-22 08:13:21 -07:00
Fix typos in Documentation/: 'N'-'P'
2006-10-03 22:52:05 +02:00
documentation/ext3: grammar fixes
2007-10-20 02:38:36 +02:00
ext4: Use readahead when reading an inode from the inode table
2008-10-09 23:53:47 -04:00
vfs: vfs-level fiemap interface
2008-10-08 19:44:18 -04:00
Documentation/filesystems/files.txt: remove rcuref_inc_lf() reverences
2007-10-20 01:47:49 +02:00
[PATCH] fuse: fix typo
2006-12-30 10:56:45 -08:00
[GFS2] Glock documentation
2008-06-27 09:39:53 +01:00
[GFS2] Update documentation
2006-04-25 15:44:04 -04:00
Documentation: document HFSPlus
2007-07-31 15:39:38 -07:00
misc doc and kconfig typos
2007-05-09 08:58:15 +02:00
[PATCH] inotify (5/5): update kernel documentation
2006-06-20 05:25:19 -04:00
isofs: implement dmode option
2008-02-08 09:22:38 -08:00
JFS: document uid, gid, and umask mount options in jfs.txt
2007-03-09 10:27:31 -06:00
update Documentation/filesystems/Locking for 2.6.27 changes
2008-09-09 11:51:15 -07:00
Documentation: move locks.txt in filesystems/
2007-10-09 18:32:45 -04:00
locks: add warning about mandatory locking races
2007-10-09 18:32:45 -04:00
nfs: rewrap NFS/RDMA documentation to 80 lines
2008-06-30 15:24:43 -04:00
Documentation: move nfsroot.txt to filesystems/
2008-04-11 13:18:01 -06:00
NTFS: update homepage
2008-09-02 19:21:37 -07:00
[PATCH 2/2] ocfs2: cluster aware flock()
2008-01-25 15:05:43 -08:00
omfs: add filesystem documentation
2008-07-26 12:00:05 -07:00
iget: remove iget() and the read_inode() super op as being obsolete
2008-02-07 08:42:29 -08:00
ext4: Use readahead when reading an inode from the inode table
2008-10-09 23:53:47 -04:00
quota: documentation for sending "below quota" messages via netlink and tiny doc update
2008-08-12 16:07:27 -07:00
Documentation: fix type error
2008-02-03 14:50:11 +02:00
relay: add buffer-only channels; useful for early logging
2008-07-26 12:00:04 -07:00
Documentation: move rpc-cache.txt to filesystems/
2008-04-11 13:20:52 -06:00
Document seq_path_root()
2008-04-25 11:56:37 -06:00
Documentation: move sharedsubtrees.txt to filesystems/
2008-02-07 08:42:17 -08:00
Fix typos in /Documentation : 'U-Z'
2006-11-30 04:58:40 +01:00
x86: PAT export resource_wc in pci sysfs
2008-06-12 10:12:42 +02:00
sysfs: add /sys/dev/{char,block} to lookup sysfs path by major:minor
2008-07-21 21:54:40 -07:00
[PATCH] fs/sysv/: doc cleanup
2006-12-07 08:39:44 -08:00
mempolicy: update NUMA memory policy documentation
2008-04-28 08:58:19 -07:00
Documentation: fix typo in ubifs.txt
2008-08-13 11:14:54 +03:00
[PATCH] Update udf documentation to reflect current state of read/write support
2006-11-16 11:43:38 -08:00
[PATCH] ufs2 write: mount as rw
2007-02-12 09:48:40 -08:00
UTC timestamp option for FAT filesystems fix
2008-07-25 10:53:34 -07:00
Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.
2008-07-26 12:00:06 -07:00
[XFS] Update XFS documentation for noikeep/ikeep.
2008-04-18 12:18:42 +10:00
misc doc and kconfig typos
2007-05-09 08:58:15 +02:00
c4b929b85b