#define DEBUG_SUBSYSTEM S_LLITE
-#ifdef __KERNEL__
-# include <libcfs/libcfs.h>
-# include <linux/fs.h>
-# include <linux/sched.h>
-# include <linux/mm.h>
-# include <linux/quotaops.h>
-# include <linux/highmem.h>
-# include <linux/pagemap.h>
-# include <linux/rbtree.h>
-#else /* __KERNEL__ */
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/queue.h>
-#include <fcntl.h>
-# include <liblustre.h>
-#endif
+#include <libcfs/libcfs.h>
+#include <linux/fs.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/quotaops.h>
+#include <linux/highmem.h>
+#include <linux/pagemap.h>
+#include <linux/rbtree.h>
#include <obd.h>
#include <obd_support.h>
#include <lustre_fid.h>
-#include <lustre_lite.h>
#include <lustre_dlm.h>
#include <lustre_ver.h>
#include <lustre_mdc.h>
#include <lclient.h>
-#ifdef __KERNEL__
-#include "../llite/llite_internal.h"
-#else
-#include "../liblustre/llite_lib.h"
-#endif
+#include "llite_internal.h"
static const struct cl_req_operations ccc_req_ops;
}
int ccc_object_init0(const struct lu_env *env,
- struct ccc_object *vob,
- const struct cl_object_conf *conf)
+ struct ccc_object *vob,
+ const struct cl_object_conf *conf)
{
- vob->cob_inode = conf->coc_inode;
- vob->cob_transient_pages = 0;
+ vob->cob_inode = conf->coc_inode;
+ atomic_set(&vob->cob_transient_pages, 0);
cl_object_page_init(&vob->cob_cl, sizeof(struct ccc_page));
- return 0;
+ return 0;
}
int ccc_object_init(const struct lu_env *env, struct lu_object *obj,
const struct cl_object_conf *cconf;
cconf = lu2cl_conf(conf);
- CFS_INIT_LIST_HEAD(&vob->cob_pending_list);
+ INIT_LIST_HEAD(&vob->cob_pending_list);
lu_object_add(obj, below);
result = ccc_object_init0(env, vob, cconf);
} else
*
*/
-void ccc_lock_delete(const struct lu_env *env,
- const struct cl_lock_slice *slice)
-{
- CLOBINVRNT(env, slice->cls_obj, ccc_object_invariant(slice->cls_obj));
-}
-
void ccc_lock_fini(const struct lu_env *env, struct cl_lock_slice *slice)
{
struct ccc_lock *clk = cl2ccc_lock(slice);
}
int ccc_lock_enqueue(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- struct cl_io *unused, __u32 enqflags)
-{
- CLOBINVRNT(env, slice->cls_obj, ccc_object_invariant(slice->cls_obj));
- return 0;
-}
-
-int ccc_lock_use(const struct lu_env *env, const struct cl_lock_slice *slice)
+ const struct cl_lock_slice *slice,
+ struct cl_io *unused, struct cl_sync_io *anchor)
{
CLOBINVRNT(env, slice->cls_obj, ccc_object_invariant(slice->cls_obj));
return 0;
}
-int ccc_lock_unuse(const struct lu_env *env, const struct cl_lock_slice *slice)
-{
- CLOBINVRNT(env, slice->cls_obj, ccc_object_invariant(slice->cls_obj));
- return 0;
-}
-
-int ccc_lock_wait(const struct lu_env *env, const struct cl_lock_slice *slice)
-{
- CLOBINVRNT(env, slice->cls_obj, ccc_object_invariant(slice->cls_obj));
- return 0;
-}
-
-/**
- * Implementation of cl_lock_operations::clo_fits_into() methods for ccc
- * layer. This function is executed every time io finds an existing lock in
- * the lock cache while creating new lock. This function has to decide whether
- * cached lock "fits" into io.
- *
- * \param slice lock to be checked
- * \param io IO that wants a lock.
- *
- * \see lov_lock_fits_into().
- */
-int ccc_lock_fits_into(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- const struct cl_lock_descr *need,
- const struct cl_io *io)
-{
- const struct cl_lock *lock = slice->cls_lock;
- const struct cl_lock_descr *descr = &lock->cll_descr;
- const struct ccc_io *cio = ccc_env_io(env);
- int result;
-
- ENTRY;
- /*
- * Work around DLM peculiarity: it assumes that glimpse
- * (LDLM_FL_HAS_INTENT) lock is always LCK_PR, and returns reads lock
- * when asked for LCK_PW lock with LDLM_FL_HAS_INTENT flag set. Make
- * sure that glimpse doesn't get CLM_WRITE top-lock, so that it
- * doesn't enqueue CLM_WRITE sub-locks.
- */
- if (cio->cui_glimpse)
- result = descr->cld_mode != CLM_WRITE;
-
- /*
- * Also, don't match incomplete write locks for read, otherwise read
- * would enqueue missing sub-locks in the write mode.
- */
- else if (need->cld_mode != descr->cld_mode)
- result = lock->cll_state >= CLS_ENQUEUED;
- else
- result = 1;
- RETURN(result);
-}
-
-/**
- * Implements cl_lock_operations::clo_state() method for ccc layer, invoked
- * whenever lock state changes. Transfers object attributes, that might be
- * updated as a result of lock acquiring into inode.
- */
-void ccc_lock_state(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- enum cl_lock_state state)
-{
- struct cl_lock *lock = slice->cls_lock;
- ENTRY;
-
- /*
- * Refresh inode attributes when the lock is moving into CLS_HELD
- * state, and only when this is a result of real enqueue, rather than
- * of finding lock in the cache.
- */
- if (state == CLS_HELD && lock->cll_state < CLS_HELD) {
- struct cl_object *obj;
- struct inode *inode;
-
- obj = slice->cls_obj;
- inode = ccc_object_inode(obj);
-
- /* vmtruncate() sets the i_size
- * under both a DLM lock and the
- * ll_inode_size_lock(). If we don't get the
- * ll_inode_size_lock() here we can match the DLM lock and
- * reset i_size. generic_file_write can then trust the
- * stale i_size when doing appending writes and effectively
- * cancel the result of the truncate. Getting the
- * ll_inode_size_lock() after the enqueue maintains the DLM
- * -> ll_inode_size_lock() acquiring order. */
- if (lock->cll_descr.cld_start == 0 &&
- lock->cll_descr.cld_end == CL_PAGE_EOF)
- cl_merge_lvb(env, inode);
- }
- EXIT;
-}
-
/*****************************************************************************
*
* io operations.
obdo_set_parent_fid(oa, &cl_i2info(inode)->lli_fid);
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_INVALID_PFID))
oa->o_parent_oid++;
-#ifdef __KERNEL__
memcpy(attr->cra_jobid, cl_i2info(inode)->lli_jobid,
- JOBSTATS_JOBID_SIZE);
-#endif
+ LUSTRE_JOBID_SIZE);
}
static const struct cl_req_operations ccc_req_ops = {
* there is no clob in cache with the given fid, so it is
* unnecessary to perform lookup-alloc-lookup-insert, just
* alloc and insert directly. */
-#ifdef __KERNEL__
LASSERT(inode->i_state & I_NEW);
-#endif
conf.coc_lu.loc_flags = LOC_F_NEW;
clob = cl_object_find(env, lu2cl_dev(site->ls_top_dev),
fid, &conf);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff