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* btrfs: qgroup: Add trace point for qgroup reserved spaceQu Wenruo2017-04-183-44/+96
| | | | | | | | | | | | | | | | Introduce the following trace points: qgroup_update_reserve qgroup_meta_reserve These trace points are handy to trace qgroup reserve space related problems. Also export btrfs_qgroup structure, as now we directly pass btrfs_qgroup structure to trace points, so that structure needs to be exported. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: drop redundant parameters from btrfs_map_sblockDavid Sterba2017-04-183-9/+6
| | | | | | All callers pass 0 for mirror_num and 1 for need_raid_map. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: sink GFP flags parameter to tree_mod_log_insert_rootDavid Sterba2017-04-181-5/+5
| | | | | | All (1) callers pass the same value. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: sink GFP flags parameter to tree_mod_log_insert_moveDavid Sterba2017-04-181-5/+5
| | | | | | All (1) callers pass the same value. Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: fix wrong failed mirror_num of read-repair on raid56Liu Bo2017-04-181-0/+5
| | | | | | | | | | | | In raid56 scenario, after trying parity recovery, we didn't set mirror_num for btrfs_bio with failed mirror_num, hence end_bio_extent_readpage() will report a random mirror_num in dmesg log. Cc: David Sterba <dsterba@suse.cz> 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>
* Btrfs: set scrub page's io_error if failing to submit ioLiu Bo2017-04-181-2/+6
| | | | | | | | | | | | | | Scrub repairs data by the unit called scrub_block, which may contain several pages. Scrub always tries to look up a good copy of a whole block, but if there's no such copy, it tries to do repair page by page. If we don't set page's io_error when checking this bad copy, in the last step, we may skip this page when repairing bad copy from good copy. Cc: David Sterba <dsterba@suse.cz> 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>
* btrfs: track exclusive filesystem operation in flagsDavid Sterba2017-04-184-26/+25
| | | | | | | | | | | | | | | | There are several operations, usually started from ioctls, that cannot run concurrently. The status is tracked in mutually_exclusive_operation_running as an atomic_t. We can easily track the status as one of the per-filesystem flag bits with same synchronization guarantees. The conversion replaces: * atomic_xchg(..., 1) -> test_and_set_bit(FLAG, ...) * atomic_set(..., 0) -> clear_bit(FLAG, ...) Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: qgroups: Retry after commit on getting EDQUOTGoldwyn Rodrigues2017-04-181-1/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We are facing the same problem with EDQUOT which was experienced with ENOSPC. Not sure if we require a full ticketing system such as ENOSPC, but here is a quick fix, which may be too big a hammer. Quotas are reserved during the start of an operation, incrementing qg->reserved. However, it is written to disk in a commit_transaction which could take as long as commit_interval. In the meantime there could be deletions which are not accounted for because deletions are accounted for only while committed (free_refroot). So, when we get a EDQUOT flush the data to disk and try again. This fixes fstests btrfs/139. Here is a sample script which shows this issue. DEVICE=/dev/vdb MOUNTPOINT=/mnt TESTVOL=$MOUNTPOINT/tmp QUOTA=5 PROG=btrfs DD_BS="4k" DD_COUNT="256" RUN_TIMES=5000 mkfs.btrfs -f $DEVICE mount -o commit=240 $DEVICE $MOUNTPOINT $PROG subvolume create $TESTVOL $PROG quota enable $TESTVOL $PROG qgroup limit ${QUOTA}G $TESTVOL typeset -i DD_RUN_GOOD typeset -i QUOTA function _check_cmd() { if [[ ${?} > 0 ]]; then echo -n "$(date) E: Running previous command" echo ${*} echo "Without sync" $PROG qgroup show -pcreFf ${TESTVOL} echo "With sync" $PROG qgroup show -pcreFf --sync ${TESTVOL} exit 1 fi } while true; do DD_RUN_GOOD=$RUN_TIMES while (( ${DD_RUN_GOOD} != 0 )); do dd if=/dev/zero of=${TESTVOL}/quotatest${DD_RUN_GOOD} bs=${DD_BS} count=${DD_COUNT} _check_cmd "dd if=/dev/zero of=${TESTVOL}/quotatest${DD_RUN_GOOD} bs=${DD_BS} count=${DD_COUNT}" DD_RUN_GOOD=(${DD_RUN_GOOD}-1) done $PROG qgroup show -pcref $TESTVOL echo "----------- Cleanup ---------- " rm $TESTVOL/quotatest* done Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: replace hardcoded value with SEQ_LAST macroEdmund Nadolski2017-04-183-10/+12
| | | | | | | | | | Define the SEQ_LAST macro to replace (u64)-1 in places where said value triggers a special-case ref search behavior. Signed-off-by: Edmund Nadolski <enadolski@suse.com> Reviewed-by: Jeff Mahoney <jeffm@suse.com> Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: provide enumeration for __merge_refs mode argumentEdmund Nadolski2017-04-181-10/+13
| | | | | | | | | Replace hardcoded numeric values for __merge_refs 'mode' argument with descriptive constants. Signed-off-by: Edmund Nadolski <enadolski@suse.com> Reviewed-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: remove unused qgroup members from btrfs_trans_handleDavid Sterba2017-04-186-20/+0
| | | | | | | | | The members have been effectively unused since "Btrfs: rework qgroup accounting" (fcebe4562dec83b3), there's no substitute for assert_qgroups_uptodate so it's removed as well. Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: remove local blocksize variable in reada_find_extentDavid Sterba2017-04-181-4/+2
| | | | | | | The name is misleading and the local variable serves no purpose. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: remove redundant parameter from reada_start_machine_devDavid Sterba2017-04-181-4/+3
| | | | | | | We can read fs_info from dev. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: remove redundant parameter from reada_find_zoneDavid Sterba2017-04-181-3/+3
| | | | | | | We can read fs_info from dev. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: remove redundant parameter from btree_readahead_hookDavid Sterba2017-04-183-6/+5
| | | | | | | We can read fs_info from eb. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: preallocate radix tree node for global readahead treeDavid Sterba2017-04-182-1/+8
| | | | | | | | | | | We can preallocate the node so insertion does not have to do that under the lock. The GFP flags for the global radix tree are initialized to GFP_NOFS & ~__GFP_DIRECT_RECLAIM but we can use GFP_KERNEL, because readahead is optional and not on any critical writeout path. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: preallocate radix tree node for readaheadDavid Sterba2017-04-182-1/+8
| | | | | | | | | | | We can preallocate the node so insertion does not have to do that under the lock. The GFP flags for the per-device radix tree are initialized to GFP_NOFS & ~__GFP_DIRECT_RECLAIM but we can use GFP_KERNEL, same as an allocation above anyway, but also because readahead is optional and not on any critical writeout path. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: consistent usage of types in balance_argsHans van Kranenburg2017-04-181-5/+5
| | | | | | | | | | | | | | The btrfs_balance_args are only used for the balance ioctl, so use __u instead of __le here for consistency. The __le usage was introduced in bc3094673f22d and dee32d0ac3719 and was probably a result of copy/pasting when the code was written. The usage of __le did not break anything, but it's unnecessary. Also, this change makes the code less confusing for the careful reader. Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: No need to check !(flags & MS_RDONLY) twiceGoldwyn Rodrigues2017-04-181-2/+1
| | | | | | | | | | Code cleanup. The code block is for !(*flags & MS_RDONLY). We don't need to check it again. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: update comments in cache_save_setupLiu Bo2017-04-181-1/+2
| | | | | | | | | We also don't bother to flush free space cache while with free space tree. Cc: David Sterba <dsterba@suse.cz> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: convert BUG_ON to WARN_ONLiu Bo2017-04-181-2/+2
| | | | | | | | These two BUG_ON()s would never be true, ensured by callers' logic. Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: helper for ops that requires full stripeLiu Bo2017-04-181-8/+10
| | | | | | | | This adds a helper to show directly whether ops require full stripe. Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: do not add extra mirror when dev_replace target dev is not availableLiu Bo2017-04-181-3/+4
| | | | | | | | | With this, we can avoid allocating memory for dev replace copies if the target dev is not available. Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: handle operations for device replace separatelyLiu Bo2017-04-181-81/+98
| | | | | | | | | Since this part is mostly independent, this moves it to a separate function. Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: introduce a function to get extra mirror from replaceLiu Bo2017-04-181-72/+89
| | | | | | | | | As the part of getting extra mirror in __btrfs_map_block is independent, this puts it into a separate function. Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: separate DISCARD from __btrfs_map_blockLiu Bo2017-04-181-114/+175
| | | | | | | | | Since DISCARD is not as important as an operation like write, we don't copy it to target device during replace, and it makes __btrfs_map_block less complex. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: create a helper for getting chunk mapLiu Bo2017-04-183-111/+57
| | | | | | | | We have similar code here and there, this merges them into a helper. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: add file item tracepointsLiu Bo2017-04-182-0/+154
| | | | | | | | | | | | | | | | | | | | | While debugging truncate problems, I found that these tracepoints could help us quickly know what went wrong. Two sets of tracepoints are created to track regular/prealloc file item and inline file item respectively, I put inline as a separate one since what inline file items cares about are way less than the regular one. This adds four tracepoints: - btrfs_get_extent_show_fi_regular - btrfs_get_extent_show_fi_inline - btrfs_truncate_show_fi_regular - btrfs_truncate_show_fi_inline Cc: David Sterba <dsterba@suse.cz> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> [ formatting adjustments ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_raid_bio.refs from atomic_t to refcount_tElena Reshetova2017-04-181-10/+9
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert scrub_ctx.refs from atomic_t to refcount_tElena Reshetova2017-04-181-5/+5
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert scrub_parity.refs from atomic_t to refcount_tElena Reshetova2017-04-181-4/+4
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert scrub_block.refs from atomic_t to refcount_tElena Reshetova2017-04-181-5/+5
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert scrub_recover.refs from atomic_t to refcount_tElena Reshetova2017-04-181-4/+4
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert compressed_bio.pending_bios from atomic_t to refcount_tElena Reshetova2017-04-181-9/+9
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert extent_state.refs from atomic_t to refcount_tElena Reshetova2017-04-182-8/+9
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_root.refs from atomic_t to refcount_tElena Reshetova2017-04-183-4/+4
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_tElena Reshetova2017-04-182-10/+10
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_delayed_node.refs from atomic_t to refcount_tElena Reshetova2017-04-182-16/+16
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_delayed_ref_node.refs from atomic_t to refcount_tElena Reshetova2017-04-185-12/+14
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_caching_control.count from atomic_t to refcount_tElena Reshetova2017-04-182-7/+8
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_ordered_extent.refs from atomic_t to refcount_tElena Reshetova2017-04-183-11/+11
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert extent_map.refs from atomic_t to refcount_tElena Reshetova2017-04-186-11/+12
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_transaction.use_count from atomic_t to refcount_tElena Reshetova2017-04-185-14/+16
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: convert btrfs_bio.refs from atomic_t to refcount_tElena Reshetova2017-04-182-5/+5
| | | | | | | | | | | | | | refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs: remove ASSERT in btrfs_truncate_inode_itemsLiu Bo2017-04-181-7/+0
| | | | | | | | | | | | After 76b42abbf748 ("Btrfs: fix data loss after truncate when using the no-holes feature"), For either NO_HOLES or inline extents, we've set last_size to newsize to avoid data loss after remount or inode got evicted and read again, thus, we don't need this check anymore. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs: fix a bogus warning when converting only data or metadataAdam Borowski2017-04-181-3/+9
| | | | | | | | | | | | | | If your filesystem has, eg, data:raid0 metadata:raid1, and you run "btrfs balance -dconvert=raid1", the meta.target field will be uninitialized. That's otherwise ok, as it's unused except for this warning. Thus, let's use the existing set of raid levels for the comparison. As a side effect, non-convert balances will now nag about data>metadata. Signed-off-by: Adam Borowski <kilobyte@angband.pl> Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* MAINTAINERS: add btrfs file entries for include directoriesDmitry V. Levin2017-04-181-0/+2
| | | | | | | | Add file entries for btrfs header files. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Linux 4.11-rc7v4.11-rc7Linus Torvalds2017-04-161-1/+1
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* Merge tag 'armsoc-fixes' of ↵Linus Torvalds2017-04-1616-41/+154
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Again, a batch that's been sitting a couple of weeks, mostly because I anticipated a bit more material but it didn't show up -- which is good. These are all your garden variety fixes for ARM platforms. The most visible issue fixed here is probably the SMP reset issue on OMAP, the rest are minor stuff" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm64: allwinner: a64: add pmu0 regs for USB PHY ARM: OMAP2+: omap_device: Sync omap_device and pm_runtime after probe defer reset: add exported __reset_control_get, return NULL if optional ARM: orion5x: only call into phylib when available ARM: omap2+: Revert omap-smp.c changes resetting CPU1 during boot ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend ARM: dts: ti: fix PCI bus dtc warnings ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY ARM: dts: OMAP3: Fix MFG ID EEPROM ARM: sun8i: a33: add operating-points-v2 property to all nodes ARM: sun8i: a33: remove highest OPP to fix CPU crashes
| * Merge tag 'omap-for-v4.11/fixes-rc6-signed' of ↵Olof Johansson2017-04-1610-21/+110
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Regression fix for omap interconnect code for deferred probe. Without this fix we can get PM related warnings for devices that use deferred probe. If necessary, this fix can wait for the v4.12 merge window no problem. * tag 'omap-for-v4.11/fixes-rc6-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: omap_device: Sync omap_device and pm_runtime after probe defer ARM: omap2+: Revert omap-smp.c changes resetting CPU1 during boot ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend ARM: dts: ti: fix PCI bus dtc warnings ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY ARM: dts: OMAP3: Fix MFG ID EEPROM Signed-off-by: Olof Johansson <olof@lixom.net>
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