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author | 2019-08-02 14:19:41 -0700 | |
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committer | 2019-08-02 14:19:41 -0700 | |
commit | d38c3fa6f959b8b5b167f120d70d66418714dbe4 (patch) | |
tree | a3062f87317514543021e996d448927fc30166a0 /fs/btrfs/transaction.h | |
parent | Merge tag 'gfs2-v5.3-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 (diff) | |
parent | Btrfs: fix deadlock between fiemap and transaction commits (diff) | |
download | linux-dev-d38c3fa6f959b8b5b167f120d70d66418714dbe4.tar.xz linux-dev-d38c3fa6f959b8b5b167f120d70d66418714dbe4.zip |
Merge tag 'for-5.3-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- tiny race window during 2 transactions aborting at the same time can
accidentally lead to a commit
- regression fix, possible deadlock during fiemap
- fix for an old bug when incremental send can fail on a file that has
been deduplicated in a special way
* tag 'for-5.3-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: fix deadlock between fiemap and transaction commits
Btrfs: fix race leading to fs corruption after transaction abort
Btrfs: fix incremental send failure after deduplication
Diffstat (limited to 'fs/btrfs/transaction.h')
-rw-r--r-- | fs/btrfs/transaction.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 527ea94b57d9..2c5a6f6e5bb0 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -94,11 +94,13 @@ struct btrfs_transaction { #define __TRANS_JOIN (1U << 11) #define __TRANS_JOIN_NOLOCK (1U << 12) #define __TRANS_DUMMY (1U << 13) +#define __TRANS_JOIN_NOSTART (1U << 14) #define TRANS_START (__TRANS_START | __TRANS_FREEZABLE) #define TRANS_ATTACH (__TRANS_ATTACH) #define TRANS_JOIN (__TRANS_JOIN | __TRANS_FREEZABLE) #define TRANS_JOIN_NOLOCK (__TRANS_JOIN_NOLOCK) +#define TRANS_JOIN_NOSTART (__TRANS_JOIN_NOSTART) #define TRANS_EXTWRITERS (__TRANS_START | __TRANS_ATTACH) @@ -183,6 +185,7 @@ struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv( int min_factor); struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root); +struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_attach_transaction_barrier( struct btrfs_root *root); |