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6b7d6e9334
linux/fs/btrfs
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Nikolay Borisov 6b7d6e9334 btrfs: Move loop termination condition in while() 
Fallocating a file in btrfs goes through several stages. The one before
actually inserting the fallocated extents is to create a qgroup
reservation, covering the desired range. To this end there is a loop in
btrfs_fallocate which checks to see if there are holes in the fallocated
range or !PREALLOC extents past EOF and if so create qgroup reservations
for them. Unfortunately, the main condition of the loop is burried right
at the end of its body rather than in the actual while statement which
makes it non-obvious. Fix this by moving the condition in the while
statement where it belongs. No functional changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2018-01-22 16:08:11 +01:00
..
tests Btrfs: fix reported number of inode blocks after buffered append writes 2017-11-15 17:27:46 +01:00
acl.c btrfs: preserve i_mode if __btrfs_set_acl() fails 2017-08-21 17:47:42 +02:00
async-thread.c Btrfs: fix confusing worker helper info in stacktrace 2017-10-30 12:27:57 +01:00
async-thread.h btrfs: constify tracepoint arguments 2017-08-16 14:19:53 +02:00
backref.c btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
backref.h btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
btrfs_inode.h btrfs: make the delalloc block rsv per inode 2017-11-01 20:45:35 +01:00
check-integrity.c btrfs: Fix bug for misused dev_t when lookup in dev state hash table. 2017-11-01 20:45:36 +01:00
check-integrity.h
compression.c btrfs: Fix wild memory access in compression level parser 2017-11-27 17:01:11 +01:00
compression.h btrfs: Fix wild memory access in compression level parser 2017-11-27 17:01:11 +01:00
ctree.c btrfs: handle errors while updating refcounts in update_ref_for_cow 2017-12-07 00:30:03 +01:00
ctree.h for-4.15-rc2-tag 2017-11-29 14:26:50 -08:00
dedupe.h
delayed-inode.c btrfs: Move checks from btrfs_wq_run_delayed_node to btrfs_balance_delayed_items 2018-01-22 16:08:11 +01:00
delayed-inode.h
delayed-ref.c btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
delayed-ref.h btrfs: track refs in a rb_tree instead of a list 2017-11-01 20:45:35 +01:00
dev-replace.c Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-09-14 18:54:01 -07:00
dev-replace.h
dir-item.c
disk-io.c Btrfs: disable FUA if mounted with nobarrier 2017-12-07 00:34:45 +01:00
disk-io.h btrfs: use named constant for bdev blocksize 2017-08-16 16:12:04 +02:00
export.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
export.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extent_io.c btrfs: Remove redundant mirror_num arg 2018-01-22 16:08:11 +01:00
extent_io.h for-4.15-rc2-tag 2017-11-29 14:26:50 -08:00
extent_map.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extent_map.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extent-tree.c for-4.15-rc3-tag 2017-12-10 08:30:04 -08:00
file-item.c Merge branch 'for-4.13-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-07-05 16:41:23 -07:00
file.c btrfs: Move loop termination condition in while() 2018-01-22 16:08:11 +01:00
free-space-cache.c btrfs: fix deadlock when writing out space cache 2017-11-27 15:50:07 +01:00
free-space-cache.h
free-space-tree.c btrfs: Clean up unused variables in free-space-tree.c 2017-10-30 12:27:59 +01:00
free-space-tree.h btrfs: expose internal free space tree routine only if sanity tests are enabled 2017-08-18 16:36:29 +02:00
hash.c
hash.h
inode-item.c
inode-map.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
inode-map.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
inode.c Btrfs: remove redundant btrfs_balance_delayed_items 2018-01-22 16:08:10 +01:00
ioctl.c for-4.15-rc3-tag 2017-12-10 08:30:04 -08:00
Kconfig Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
locking.c
locking.h
lzo.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
Makefile Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-11-14 13:35:29 -08:00
math.h
ordered-data.c Btrfs: rework outstanding_extents 2017-11-01 20:45:35 +01:00
ordered-data.h
orphan.c
print-tree.c Btrfs: add one more sanity check for shared ref type 2017-08-21 17:47:43 +02:00
print-tree.h btrfs: get fs_info from eb in btrfs_print_tree, remove argument 2017-08-16 16:12:03 +02:00
props.c Merge branch 'zstd-minimal' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2017-09-14 17:30:49 -07:00
props.h
qgroup.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
qgroup.h
raid56.c Btrfs: fix memory leak in raid56 2017-10-30 12:27:57 +01:00
raid56.h
rcu-string.h
reada.c
ref-verify.c Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
ref-verify.h Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
relocation.c Btrfs: fix reported number of inode blocks after buffered append writes 2017-11-15 17:27:46 +01:00
root-tree.c btrfs: Clean up dead code in root-tree 2017-10-30 12:27:56 +01:00
scrub.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
send.c Btrfs: incremental send, fix wrong unlink path after renaming file 2017-11-28 17:15:30 +01:00
send.h btrfs: fix send ioctl on 32bit with 64bit kernel 2017-10-30 12:27:59 +01:00
struct-funcs.c btrfs: struct-funcs, constify readers 2017-08-16 14:19:53 +02:00
super.c for-4.15-rc2-tag 2017-11-29 14:26:50 -08:00
sysfs.c btrfs: prefix sysfs attribute struct names 2017-10-30 12:27:58 +01:00
sysfs.h Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-11-14 13:35:29 -08:00
transaction.c btrfs: don't call btrfs_start_delalloc_roots in flushoncommit 2017-11-01 20:45:35 +01:00
transaction.h
tree-checker.c btrfs: tree-checker: Fix false panic for sanity test 2017-11-28 14:59:09 +01:00
tree-checker.h btrfs: tree-checker: Fix false panic for sanity test 2017-11-28 14:59:09 +01:00
tree-defrag.c
tree-log.c Btrfs: fix list_add corruption and soft lockups in fsync 2017-11-27 17:41:19 +01:00
tree-log.h
ulist.c
ulist.h
uuid-tree.c
volumes.c Btrfs: remove rcu_barrier in btrfs_close_devices 2018-01-22 16:08:11 +01:00
volumes.h btrfs: Remove unused function 2018-01-22 16:08:11 +01:00
xattr.c
xattr.h
zlib.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
zstd.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00