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ea8efc74bd
linux/fs/btrfs
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Chris Mason ea8efc74bd Btrfs: make sure not to return overlapping extents to fiemap 
The btrfs fiemap code was incorrectly returning duplicate or overlapping
extents in some cases.  cp was blindly trusting this result and we would
end up with a destination file that was bigger than the original because
some bytes were copied twice.

The fix here adjusts our offsets to make sure we're always moving
forward in the fiemap results.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-03-08 11:58:09 -05:00
..
acl.c Merge branch 'bug-fixes' of git://repo.or.cz/linux-btrfs-devel into btrfs-38 2011-01-28 16:24:59 -05:00
async-thread.c Btrfs: don't walk around with task->state != TASK_RUNNING 2010-05-25 10:34:58 -04:00
async-thread.h Btrfs: fix deadlock on async thread startup 2009-10-05 09:44:45 -04:00
btrfs_inode.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
compat.h Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code 2009-01-06 09:38:55 -05:00
compression.c btrfs: Drop __exit attribute on btrfs_exit_compress 2011-02-06 07:19:19 -05:00
compression.h btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00
ctree.c btrfs: check NULL or not 2011-01-16 11:30:20 -05:00
ctree.h Btrfs: allow balance to explicitly allocate chunks as it relocates 2011-02-16 15:28:47 -05:00
delayed-ref.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
delayed-ref.h Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
dir-item.c Btrfs: Fix variables set but not read (bugs found by gcc 4.6) 2010-10-29 15:14:31 -04:00
disk-io.c Btrfs: fix page->private races 2011-02-14 13:03:52 -05:00
disk-io.h Btrfs: forced readonly mounts on errors 2011-01-17 15:13:08 -05:00
export.c btrfs: fix several uncheck memory allocations 2011-01-28 16:40:36 -05:00
export.h NFS support for btrfs - v3 2008-09-25 11:04:06 -04:00
extent_io.c Btrfs: make sure not to return overlapping extents to fiemap 2011-03-08 11:58:09 -05:00
extent_io.h Btrfs: fix fiemap bugs with delalloc 2011-02-23 16:23:20 -05:00
extent_map.c Btrfs: check return value of alloc_extent_map() 2011-02-14 16:21:37 -05:00
extent_map.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
extent-tree.c Btrfs: allow balance to explicitly allocate chunks as it relocates 2011-02-16 15:28:47 -05:00
file-item.c Btrfs: do error checking in btrfs_del_csums 2011-01-28 16:42:34 -05:00
file.c Btrfs: deal with short returns from copy_from_user 2011-03-07 11:10:24 -05:00
free-space-cache.c Btrfs: make sure search_bitmap finds something in remove_from_bitmap 2011-02-06 07:13:12 -05:00
free-space-cache.h Btrfs: load free space cache if it exists 2010-10-29 09:26:35 -04:00
hash.h Btrfs: remove crc32c.h and use libcrc32c directly. 2009-06-10 11:29:53 -04:00
inode-item.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
inode-map.c Btrfs: do not reuse objectid of deleted snapshot/subvol 2009-09-21 15:56:00 -04:00
inode.c Btrfs: fix fiemap bugs with delalloc 2011-02-23 16:23:20 -05:00
ioctl.c Btrfs: Fix BTRFS_IOC_SUBVOL_SETFLAGS ioctl 2011-02-16 15:37:58 -05:00
ioctl.h Merge branch 'lzo-support' of git://repo.or.cz/linux-btrfs-devel into btrfs-38 2011-01-16 11:25:54 -05:00
Kconfig btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
locking.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
locking.h Btrfs: fix spinlock assertions on UP systems 2009-03-09 11:45:38 -04:00
lzo.c Btrfs: Avoid accessing unmapped kernel address 2011-02-16 15:37:58 -05:00
Makefile btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
ordered-data.c Btrfs: avoid uninit variable warnings in ordered-data.c 2011-01-31 20:33:37 -05:00
ordered-data.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
orphan.c Btrfs: fixup return code for btrfs_del_orphan_item 2010-12-09 13:57:15 -05:00
print-tree.c btrfs: fix missing break in switch phrase 2011-01-28 16:40:37 -05:00
print-tree.h Btrfs: Create extent_buffer interface for large blocksizes 2008-09-25 11:03:56 -04:00
ref-cache.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ref-cache.h Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL 2010-03-08 16:26:50 -05:00
relocation.c Btrfs: allow balance to explicitly allocate chunks as it relocates 2011-02-16 15:28:47 -05:00
root-tree.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
struct-funcs.c Btrfs: Fix checkpatch.pl warnings 2009-01-05 21:25:51 -05:00
super.c Btrfs: put ENOSPC debugging under a mount option 2011-02-16 15:28:36 -05:00
sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
transaction.c btrfs: fix return value check of btrfs_join_transaction() 2011-01-28 16:40:37 -05:00
transaction.h Btrfs: Add readonly snapshots support 2010-12-23 08:49:17 +08:00
tree-defrag.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
tree-log.c btrfs: fix return value check of btrfs_start_transaction() 2011-02-01 07:17:27 -05:00
tree-log.h Btrfs: Metadata ENOSPC handling for tree log 2010-05-25 10:34:53 -04:00
version.h Update Btrfs files for in-kernel usage 2008-09-25 15:41:59 -04:00
version.sh Btrfs: Fixes for 2.6.28-rc API changes 2008-11-19 21:17:22 -05:00
volumes.c Btrfs: set FMODE_EXCL in btrfs_device->mode 2011-02-16 16:34:00 -05:00
volumes.h btrfs: fix wrong free space information of btrfs 2011-01-16 11:30:19 -05:00
xattr.c Btrfs: Add readonly snapshots support 2010-12-23 08:49:17 +08:00
xattr.h btrfs: constify xattr_handler 2010-05-21 18:31:18 -04:00
zlib.c btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00