diff options
| author | Merlin Scholz <merlin@scholz.ruhr> | 2023-08-19 19:16:22 +0200 |
|---|---|---|
| committer | Merlin Scholz <merlin@scholz.ruhr> | 2023-08-19 19:16:22 +0200 |
| commit | e7b3826cda40b7e543318c19b9093dcceb8b4237 (patch) | |
| tree | bf61ebee0cfbd1f3e2f4f62e00ef7ff655f1aa5d /sys/miscfs | |
| parent | 365daf5cefc0591283d5625e2e15b7e532568c33 (diff) | |
Add logging for buf->b_cflags BC_BUSY changeslockdoc-10.99.5-vfs-0.3
Diffstat (limited to 'sys/miscfs')
| -rw-r--r-- | sys/miscfs/genfs/genfs_io.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/miscfs/genfs/genfs_io.c b/sys/miscfs/genfs/genfs_io.c index 2dfb4ae3c18..614afe76d62 100644 --- a/sys/miscfs/genfs/genfs_io.c +++ b/sys/miscfs/genfs/genfs_io.c @@ -611,6 +611,9 @@ genfs_getpages_read(struct vnode *vp, struct vm_page **pgs, int npages, mbp->b_data = (void *)kva; mbp->b_resid = mbp->b_bcount = bytes; mbp->b_cflags |= BC_BUSY; +#ifdef LOCKDOC_VFS + lockdoc_log_lock(P_WRITE, &(mbp->b_cflags), __FILE__, __LINE__, __func__, "b_cflags", 0); +#endif if (async) { mbp->b_flags = B_READ | B_ASYNC; mbp->b_iodone = uvm_aio_aiodone; @@ -1480,6 +1483,9 @@ genfs_do_io(struct vnode *vp, off_t off, vaddr_t kva, size_t len, int flags, mbp->b_data = (void *)kva; mbp->b_resid = mbp->b_bcount = bytes; mbp->b_cflags |= BC_BUSY | BC_AGE; +#ifdef LOCKDOC_VFS + lockdoc_log_lock(P_WRITE, &(mbp->b_cflags), __FILE__, __LINE__, __func__, "b_cflags", 0); +#endif if (async) { mbp->b_flags = brw | B_ASYNC; mbp->b_iodone = iodone; @@ -1712,6 +1718,9 @@ genfs_compat_gop_write(struct vnode *vp, struct vm_page **pgs, int npages, bp = getiobuf(vp, true); bp->b_cflags |= BC_BUSY | BC_AGE; +#ifdef LOCKDOC_VFS + lockdoc_log_lock(P_WRITE, &(bp->b_cflags), __FILE__, __LINE__, __func__, "b_cflags", 0); +#endif bp->b_lblkno = offset >> vp->v_mount->mnt_fs_bshift; bp->b_data = (char *)kva; bp->b_bcount = npages << PAGE_SHIFT; |
