PG_BUSY 103 fs/nfs/pagelist.c clear_bit(PG_BUSY, &req->wb_flags); PG_BUSY 105 fs/nfs/pagelist.c wake_up_bit(&req->wb_flags, PG_BUSY); PG_BUSY 202 fs/nfs/pagelist.c if (!test_bit(PG_BUSY, &req->wb_flags)) PG_BUSY 204 fs/nfs/pagelist.c ret = out_of_line_wait_on_bit(&req->wb_flags, PG_BUSY, PG_BUSY 65 include/linux/nfs_page.h #define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags)) PG_BUSY 99 include/linux/nfs_page.h return !test_and_set_bit(PG_BUSY, &req->wb_flags);