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LU-6179 llite: Implement ladvise lockahead
[fs/lustre-release.git]
/
lustre
/
llite
/
llite_internal.h
diff --git
a/lustre/llite/llite_internal.h
b/lustre/llite/llite_internal.h
index
9ebbaf7
..
a9ab610
100644
(file)
--- a/
lustre/llite/llite_internal.h
+++ b/
lustre/llite/llite_internal.h
@@
-642,6
+642,7
@@
struct ll_file_data {
* true: failure is known, not report again.
* false: unknown failure, should report. */
bool fd_write_failed;
* true: failure is known, not report again.
* false: unknown failure, should report. */
bool fd_write_failed;
+ bool ll_lock_no_expand;
rwlock_t fd_lock; /* protect lcc list */
struct list_head fd_lccs; /* list of ll_cl_context */
};
rwlock_t fd_lock; /* protect lcc list */
struct list_head fd_lccs; /* list of ll_cl_context */
};
@@
-1222,11
+1223,18
@@
static inline int cl_glimpse_size(struct inode *inode)
return cl_glimpse_size0(inode, 0);
}
return cl_glimpse_size0(inode, 0);
}
+/* AGL is 'asychronous glimpse lock', which is a speculative lock taken as
+ * part of statahead */
static inline int cl_agl(struct inode *inode)
{
return cl_glimpse_size0(inode, 1);
}
static inline int cl_agl(struct inode *inode)
{
return cl_glimpse_size0(inode, 1);
}
+int ll_file_lock_ahead(struct file *file, struct llapi_lu_ladvise *ladvise);
+
+int cl_io_get(struct inode *inode, struct lu_env **envout,
+ struct cl_io **ioout, __u16 *refcheck);
+
static inline int ll_glimpse_size(struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
static inline int ll_glimpse_size(struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);