X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Focfs2%2Fdlmglue.h;h=2bb01f09c1b11eb39bbb6efa35a438f69f1cd8bb;hb=1ef708ea449e5eab2780020ec79485db80937833;hp=3fd7729daeef080ba5b9b4359d9d00e1adf66933;hpb=c934a92d05b549dd2f25db72c5fc3cb9dcf1b611;p=linux-2.6 diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h index 3fd7729dae..2bb01f09c1 100644 --- a/fs/ocfs2/dlmglue.h +++ b/fs/ocfs2/dlmglue.h @@ -49,7 +49,7 @@ struct ocfs2_meta_lvb { __be32 lvb_reserved2; }; -/* ocfs2_meta_lock_full() 'arg_flags' flags */ +/* ocfs2_inode_lock_full() 'arg_flags' flags */ /* don't wait on recovery. */ #define OCFS2_META_LOCK_RECOVERY (0x01) /* Instruct the dlm not to queue ourselves on the other node. */ @@ -58,7 +58,7 @@ struct ocfs2_meta_lvb { #define OCFS2_LOCK_NONBLOCK (0x04) int ocfs2_dlm_init(struct ocfs2_super *osb); -void ocfs2_dlm_shutdown(struct ocfs2_super *osb); +void ocfs2_dlm_shutdown(struct ocfs2_super *osb, int hangup_pending); void ocfs2_lock_res_init_once(struct ocfs2_lock_res *res); void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res, enum ocfs2_lock_type type, @@ -66,6 +66,9 @@ void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res, struct inode *inode); void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl, u64 parent, struct inode *inode); +struct ocfs2_file_private; +void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, + struct ocfs2_file_private *fp); void ocfs2_lock_res_free(struct ocfs2_lock_res *res); int ocfs2_create_new_inode_locks(struct inode *inode); int ocfs2_drop_inode_locks(struct inode *inode); @@ -74,21 +77,21 @@ void ocfs2_rw_unlock(struct inode *inode, int write); int ocfs2_open_lock(struct inode *inode); int ocfs2_try_open_lock(struct inode *inode, int write); void ocfs2_open_unlock(struct inode *inode); -int ocfs2_meta_lock_atime(struct inode *inode, +int ocfs2_inode_lock_atime(struct inode *inode, struct vfsmount *vfsmnt, int *level); -int ocfs2_meta_lock_full(struct inode *inode, +int ocfs2_inode_lock_full(struct inode *inode, struct buffer_head **ret_bh, int ex, int arg_flags); -int ocfs2_meta_lock_with_page(struct inode *inode, +int ocfs2_inode_lock_with_page(struct inode *inode, struct buffer_head **ret_bh, int ex, struct page *page); /* 99% of the time we don't want to supply any additional flags -- * those are for very specific cases only. */ -#define ocfs2_meta_lock(i, b, e) ocfs2_meta_lock_full(i, b, e, 0) -void ocfs2_meta_unlock(struct inode *inode, +#define ocfs2_inode_lock(i, b, e) ocfs2_inode_lock_full(i, b, e, 0) +void ocfs2_inode_unlock(struct inode *inode, int ex); int ocfs2_super_lock(struct ocfs2_super *osb, int ex); @@ -98,17 +101,19 @@ int ocfs2_rename_lock(struct ocfs2_super *osb); void ocfs2_rename_unlock(struct ocfs2_super *osb); int ocfs2_dentry_lock(struct dentry *dentry, int ex); void ocfs2_dentry_unlock(struct dentry *dentry, int ex); +int ocfs2_file_lock(struct file *file, int ex, int trylock); +void ocfs2_file_unlock(struct file *file); void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres); void ocfs2_simple_drop_lockres(struct ocfs2_super *osb, struct ocfs2_lock_res *lockres); /* for the downconvert thread */ -void ocfs2_process_blocked_lock(struct ocfs2_super *osb, - struct ocfs2_lock_res *lockres); void ocfs2_wake_downconvert_thread(struct ocfs2_super *osb); struct ocfs2_dlm_debug *ocfs2_new_dlm_debug(void); void ocfs2_put_dlm_debug(struct ocfs2_dlm_debug *dlm_debug); +/* To set the locking protocol on module initialization */ +void ocfs2_set_locking_protocol(void); #endif /* DLMGLUE_H */