diff options
| author | Josef Bacik <josef@toxicpanda.com> | 2024-11-15 10:30:30 -0500 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2024-12-11 17:28:41 +0100 |
| commit | 7f4796a46571ced5d3d5b0942e1bfea1eedaaecd (patch) | |
| tree | 453362d5c57c8886112f51f7ec22a3a60e246f80 /fs/xfs/xfs_file.c | |
| parent | 8392bc2ff8c8bf7c4c5e6dfa71ccd893a3c046f6 (diff) | |
xfs: add pre-content fsnotify hook for DAX faults
xfs has it's own handling for DAX faults, so we need to add the
pre-content fsnotify hook for this case. Other faults go through
filemap_fault so they're handled properly there.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/9eccdf59a65b72f0a1a5e2f2b9bff8eda2d4f2d9.1731684329.git.josef@toxicpanda.com
Diffstat (limited to 'fs/xfs/xfs_file.c')
| -rw-r--r-- | fs/xfs/xfs_file.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 4a0b7de4f7ae..c488ae26b23d 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1443,6 +1443,9 @@ xfs_dax_read_fault( trace_xfs_read_fault(ip, order); + ret = filemap_fsnotify_fault(vmf); + if (unlikely(ret)) + return ret; xfs_ilock(ip, XFS_MMAPLOCK_SHARED); ret = xfs_dax_fault_locked(vmf, order, false); xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); @@ -1471,6 +1474,16 @@ xfs_write_fault( vm_fault_t ret; trace_xfs_write_fault(ip, order); + /* + * Usually we get here from ->page_mkwrite callback but in case of DAX + * we will get here also for ordinary write fault. Handle HSM + * notifications for that case. + */ + if (IS_DAX(inode)) { + ret = filemap_fsnotify_fault(vmf); + if (unlikely(ret)) + return ret; + } sb_start_pagefault(inode->i_sb); file_update_time(vmf->vma->vm_file); |