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msm-4.14/fs/btrfs
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Liu Bo baf863b9c2 Btrfs: fix eb memory leak due to readpage failure 
eb->io_pages is set in read_extent_buffer_pages().

In case of readpage failure, for pages that have been added to bio,
it calls bio_endio and later readpage_io_failed_hook() does the work.

When this eb's page (couldn't be the 1st page) fails to add itself to bio
due to failure in merge_bio(), it cannot decrease eb->io_pages via bio_endio,
 and ends up with a memory leak eventually.

This lets __do_readpage propagate errors to callers and adds the
 'atomic_dec(&eb->io_pages)'.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2016-07-26 13:52:25 +02:00
..
tests
Btrfs: fix error return code in btrfs_init_test_fs()
2016-06-23 10:44:39 -07:00
acl.c
btrfs: Replace -ENOENT by -ERANGE in btrfs_get_acl()
2016-07-26 13:52:25 +02:00
async-thread.c
btrfs: async-thread: Fix a use-after-free error for trace
2016-01-25 16:50:26 -08:00
async-thread.h
btrfs: async_thread: Fix workqueue 'max_active' value when initializing
2015-08-31 11:46:40 -07:00
backref.c
btrfs: Fix slab accounting flags
2016-07-26 13:52:25 +02:00
backref.h
…
btrfs_inode.h
Merge branch 'cleanups-4.7' into for-chris-4.7-20160525
2016-05-25 22:51:03 +02:00
check-integrity.c
btrfs: Use correct format specifier
2016-06-17 18:32:40 +02:00
check-integrity.h
…
compression.c
Btrfs: fix BUG_ON in btrfs_submit_compressed_write
2016-07-26 13:52:25 +02:00
compression.h
btrfs: move btrfs_compression_type to compression.h
2016-03-11 17:12:46 +01:00
ctree.c
Btrfs: fix read_node_slot to return errors
2016-07-26 13:52:25 +02:00
ctree.h
Btrfs: add tracepoints for flush events
2016-07-07 18:45:53 +02:00
dedupe.h
btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize
2016-07-26 13:52:25 +02:00
delayed-inode.c
btrfs: Fix slab accounting flags
2016-07-26 13:52:25 +02:00
delayed-inode.h
Btrfs: fix ->iterate_shared() by upgrading i_rwsem for delayed nodes
2016-06-25 06:20:10 -07:00
delayed-ref.c
btrfs: Fix slab accounting flags
2016-07-26 13:52:25 +02:00
delayed-ref.h
btrfs: fix string and comment grammatical issues and typos
2016-05-25 22:35:14 +02:00
dev-replace.c
Merge branch 'cleanups-4.7' into for-chris-4.7-20160525
2016-05-25 22:51:03 +02:00
dev-replace.h
btrfs: refactor btrfs_dev_replace_start for reuse
2016-04-28 10:59:13 +02:00
dir-item.c
…
disk-io.c
btrfs: Fix slab accounting flags
2016-07-26 13:52:25 +02:00
disk-io.h
Btrfs: self-tests: Support non-4k page size
2016-06-02 19:23:14 +02:00
export.c
BTRFS: support NFSv2 export
2015-10-06 06:55:23 -07:00
export.h
…
extent_io.c
Btrfs: fix eb memory leak due to readpage failure
2016-07-26 13:52:25 +02:00
extent_io.h
Btrfs: self-tests: Support non-4k page size
2016-06-02 19:23:14 +02:00
extent_map.c
btrfs: Fix slab accounting flags
2016-07-26 13:52:25 +02:00
extent_map.h
btrfs: cleanup, stop casting for extent_map->lookup everywhere
2016-01-15 19:22:28 +01:00
extent-tree.c
btrfs: fix free space calculation in dump_space_info()
2016-07-26 13:52:25 +02:00
file-item.c
btrfs: sink gfp parameter to set_extent_bits
2016-04-29 11:01:47 +02:00
file.c
btrfs: Fix slab accounting flags
2016-07-26 13:52:25 +02:00
free-space-cache.c
Btrfs: self-tests: Support non-4k page size
2016-06-02 19:23:14 +02:00
free-space-cache.h
btrfs: fix string and comment grammatical issues and typos
2016-05-25 22:35:14 +02:00
free-space-tree.c
Revert "btrfs: synchronize incompat feature bits with sysfs files"
2016-01-29 08:19:37 -08:00
free-space-tree.h
Btrfs: implement the free space B-tree
2015-12-17 12:16:47 -08:00
hash.c
btrfs: advertise which crc32c implementation is being used at module load
2016-06-06 14:08:28 +02:00
hash.h
btrfs: advertise which crc32c implementation is being used at module load
2016-06-06 14:08:28 +02:00
inode-item.c
btrfs: rename btrfs_std_error to btrfs_handle_fs_error
2016-04-28 10:36:54 +02:00
inode-map.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
inode-map.h
Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots
2016-01-15 19:25:02 +01:00
inode.c
btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize
2016-07-26 13:52:25 +02:00
ioctl.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-05-27 17:14:05 -07:00
Kconfig
…
locking.c
btrfs: cleanup, remove stray return statements
2016-01-07 14:30:52 +01:00
locking.h
…
lzo.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
Makefile
Btrfs: add free space tree sanity tests
2015-12-17 12:16:47 -08:00
math.h
…
ordered-data.c
btrfs: Fix slab accounting flags
2016-07-26 13:52:25 +02:00
ordered-data.h
Btrfs: fix race setting block group readonly during device replace
2016-05-30 12:58:21 +01:00
orphan.c
…
print-tree.c
btrfs: teach print_leaf about temporary item subtypes
2016-02-11 16:15:43 +01:00
print-tree.h
…
props.c
btrfs: move btrfs_compression_type to compression.h
2016-03-11 17:12:46 +01:00
props.h
…
qgroup.c
btrfs: fix string and comment grammatical issues and typos
2016-05-25 22:35:14 +02:00
qgroup.h
btrfs: qgroup: Check if qgroup reserved space leaked
2015-10-21 18:41:10 -07:00
raid56.c
btrfs: fix string and comment grammatical issues and typos
2016-05-25 22:35:14 +02:00
raid56.h
Btrfs: add RAID 5/6 BTRFS_RBIO_REBUILD_MISSING operation
2015-08-09 07:34:26 -07:00
rcu-string.h
…
reada.c
Btrfs: fix race between readahead and device replace/removal
2016-05-30 12:58:18 +01:00
relocation.c
Btrfs: change BUG_ON()'s to ASSERT()'s in backref_cache_cleanup()
2016-07-26 13:52:25 +02:00
root-tree.c
Merge branch 'cleanups-4.7' into for-chris-4.7-20160525
2016-05-25 22:51:03 +02:00
scrub.c
Btrfs: subpage-blocksize: Rate limit scrub error message
2016-07-26 13:52:25 +02:00
send.c
Merge branch 'cleanups-4.7' into for-chris-4.7-20160525
2016-05-25 22:51:03 +02:00
send.h
Btrfs: use linux/sizes.h to represent constants
2016-01-07 14:38:02 +01:00
struct-funcs.c
btrfs: fix string and comment grammatical issues and typos
2016-05-25 22:35:14 +02:00
super.c
btrfs: avoid blocking open_ctree from cleaner_kthread
2016-06-17 18:32:40 +02:00
sysfs.c
btrfs: add missing bytes_readonly attribute file in sysfs
2016-07-26 13:52:25 +02:00
sysfs.h
btrfs: sysfs: introduce helper for syncing bits with sysfs files
2016-01-21 18:50:40 +01:00
transaction.c
Btrfs: track transid for delayed ref flushing
2016-06-22 17:54:18 -07:00
transaction.h
btrfs: account for non-CoW'd blocks in btrfs_abort_transaction
2016-06-17 18:32:40 +02:00
tree-defrag.c
Btrfs: fix locking bugs when defragging leaves
2015-12-18 02:51:32 +00:00
tree-log.c
Btrfs: fix read_node_slot to return errors
2016-07-26 13:52:25 +02:00
tree-log.h
Btrfs: fix unreplayable log after snapshot delete + parent dir fsync
2016-03-01 08:23:25 -08:00
ulist.c
btrfs: fix string and comment grammatical issues and typos
2016-05-25 22:35:14 +02:00
ulist.h
btrfs: ulist: Add ulist_del() function.
2015-06-10 09:26:17 -07:00
uuid-tree.c
…
volumes.c
btrfs: make sure device is synced before return
2016-07-26 13:52:25 +02:00
volumes.h
Merge branch 'foreign/jeffm/uapi' into for-chris-4.7-20160516
2016-05-16 15:46:29 +02:00
xattr.c
switch xattr_handler->set() to passing dentry and inode separately
2016-05-27 15:39:43 -04:00
xattr.h
btrfs: Switch to generic xattr handlers
2016-05-17 19:17:09 -04:00
zlib.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00