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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-03-22 04:59:49 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-03-28 01:47:46 +0100 |
| commit | 7c4b93d8269b9d35971a8239426b1f6ddc3d5ef7 (patch) | |
| tree | a3309f9237f9d67af000e484bef9c19a7951750a /include | |
| parent | [PATCH] reduce stack footprint in namespace.c (diff) | |
| download | linux-7c4b93d8269b9d35971a8239426b1f6ddc3d5ef7.tar.xz linux-7c4b93d8269b9d35971a8239426b1f6ddc3d5ef7.zip | |
[PATCH] count ghost references to vfsmounts
make propagate_mount_busy() exclude references from the vfsmounts
that had been isolated by umount_tree() and are just waiting for
release_mounts() to dispose of their ->mnt_parent/->mnt_mountpoint.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mount.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h index 6d3047d8c91c..dac5e67ff3ee 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -61,6 +61,7 @@ struct vfsmount { atomic_t mnt_count; int mnt_expiry_mark; /* true if marked for expiry */ int mnt_pinned; + int mnt_ghosts; }; static inline struct vfsmount *mntget(struct vfsmount *mnt) |