diff options
Diffstat (limited to 'fs/gfs2/glock.c')
-rw-r--r-- | fs/gfs2/glock.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 86e9e621f346..12681616eb76 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -755,6 +755,25 @@ out_unlock: return; } +void gfs2_inode_remember_delete(struct gfs2_glock *gl, u64 generation) +{ + struct gfs2_inode_lvb *ri = (void *)gl->gl_lksb.sb_lvbptr; + + if (ri->ri_magic == 0) + ri->ri_magic = cpu_to_be32(GFS2_MAGIC); + if (ri->ri_magic == cpu_to_be32(GFS2_MAGIC)) + ri->ri_generation_deleted = cpu_to_be64(generation); +} + +bool gfs2_inode_already_deleted(struct gfs2_glock *gl, u64 generation) +{ + struct gfs2_inode_lvb *ri = (void *)gl->gl_lksb.sb_lvbptr; + + if (ri->ri_magic != cpu_to_be32(GFS2_MAGIC)) + return false; + return generation <= be64_to_cpu(ri->ri_generation_deleted); +} + static void delete_work_func(struct work_struct *work) { struct gfs2_glock *gl = container_of(work, struct gfs2_glock, gl_delete); |