diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-03-07 10:19:05 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-07 10:29:36 -0800 |
| commit | e3afe5dd3abea43e056a004df02fb49f24cc5ad7 (patch) | |
| tree | a8f38510fe1aeee32a54112fdee27e1948cde35e /fs/btrfs/inode.c | |
| parent | a148f82c457f957cdc9445101882c225aa8c3ff0 (diff) | |
| parent | df4793505abd5df399bc6d9a4d8fe81761f557cd (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
net/core/page_pool_user.c
0b11b1c5c320 ("netdev: let netlink core handle -EMSGSIZE errors")
429679dcf7d9 ("page_pool: fix netlink dump stop/resume")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index f88e0ca8331d..4795738d5785 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7835,6 +7835,7 @@ struct iomap_dio *btrfs_dio_write(struct kiocb *iocb, struct iov_iter *iter, static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len) { + struct btrfs_inode *btrfs_inode = BTRFS_I(inode); int ret; ret = fiemap_prep(inode, fieinfo, start, &len, 0); @@ -7860,7 +7861,26 @@ static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, return ret; } - return extent_fiemap(BTRFS_I(inode), fieinfo, start, len); + btrfs_inode_lock(btrfs_inode, BTRFS_ILOCK_SHARED); + + /* + * We did an initial flush to avoid holding the inode's lock while + * triggering writeback and waiting for the completion of IO and ordered + * extents. Now after we locked the inode we do it again, because it's + * possible a new write may have happened in between those two steps. + */ + if (fieinfo->fi_flags & FIEMAP_FLAG_SYNC) { + ret = btrfs_wait_ordered_range(inode, 0, LLONG_MAX); + if (ret) { + btrfs_inode_unlock(btrfs_inode, BTRFS_ILOCK_SHARED); + return ret; + } + } + + ret = extent_fiemap(btrfs_inode, fieinfo, start, len); + btrfs_inode_unlock(btrfs_inode, BTRFS_ILOCK_SHARED); + + return ret; } static int btrfs_writepages(struct address_space *mapping, |