diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-17 15:20:26 -0400 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-17 15:20:26 -0400 |
| commit | bf3b7b7ba9e3db55d164ec7bf05e6947f79637cd (patch) | |
| tree | 7de81ebc8339c2a985b2af0e360368e281564c93 /fs/btrfs/inode.c | |
| parent | 8a7904a672a1d33c848e5129f886ee69e0773a2e (diff) | |
| parent | dabbd6abcdbeb1358a53ec28a244429320eb0e3a (diff) | |
Merge branch 'for-rc' into rdma.git
From https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
The rc RDMA branch is needed due to dependencies on the next patches.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 936c3137c646..da58c58ef9aa 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -9672,10 +9672,16 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode, * clear_offset by our extent size. */ clear_offset += ins.offset; - btrfs_dec_block_group_reservations(fs_info, ins.objectid); last_alloc = ins.offset; trans = insert_prealloc_file_extent(trans, inode, &ins, cur_offset); + /* + * Now that we inserted the prealloc extent we can finally + * decrement the number of reservations in the block group. + * If we did it before, we could race with relocation and have + * relocation miss the reserved extent, making it fail later. + */ + btrfs_dec_block_group_reservations(fs_info, ins.objectid); if (IS_ERR(trans)) { ret = PTR_ERR(trans); btrfs_free_reserved_extent(fs_info, ins.objectid, |