diff options
| -rw-r--r-- | fs/btrfs/extent_io.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 8959ac580f46..cb366f6bcaed 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -5132,6 +5132,9 @@ int extent_write_locked_range(struct inode *inode, u64 start, u64 end, int extent_writepages(struct address_space *mapping, struct writeback_control *wbc) { + struct inode *inode = mapping->host; + const bool data_reloc = btrfs_is_data_reloc_root(BTRFS_I(inode)->root); + const bool zoned = btrfs_is_zoned(BTRFS_I(inode)->root->fs_info); int ret = 0; struct extent_page_data epd = { .bio_ctrl = { 0 }, @@ -5139,7 +5142,15 @@ int extent_writepages(struct address_space *mapping, .sync_io = wbc->sync_mode == WB_SYNC_ALL, }; + /* + * Allow only a single thread to do the reloc work in zoned mode to + * protect the write pointer updates. + */ + if (data_reloc && zoned) + btrfs_inode_lock(inode, 0); ret = extent_write_cache_pages(mapping, wbc, &epd); + if (data_reloc && zoned) + btrfs_inode_unlock(inode, 0); ASSERT(ret <= 0); if (ret < 0) { end_write_bio(&epd, ret); |