*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef LLITE_INTERNAL_H
#define LLITE_INTERNAL_H
#include <obd.h>
#include <lustre_disk.h> /* for s2sbi */
-#include <lustre_eacl.h>
#include <lustre_linkea.h>
/* for struct cl_lock_descr and struct cl_io */
__u64 lli_open_fd_read_count;
__u64 lli_open_fd_write_count;
__u64 lli_open_fd_exec_count;
+
+ /* Number of times this inode was opened */
+ u64 lli_open_fd_count;
+ /* When last close was performed on this inode */
+ ktime_t lli_close_fd_time;
+
/* Protects access to och pointers and their usage counters */
struct mutex lli_och_mutex;
LLIF_UPDATE_ATIME = 4,
/* foreign file/dir can be unlinked unconditionnaly */
LLIF_FOREIGN_REMOVABLE = 5,
+ /* setting encryption context in progress */
+ LLIF_SET_ENC_CTX = 6,
};
-static inline void ll_file_set_flag(struct ll_inode_info *lli,
- enum ll_file_flags flag)
-{
- set_bit(flag, &lli->lli_flags);
-}
-
-static inline void ll_file_clear_flag(struct ll_inode_info *lli,
- enum ll_file_flags flag)
-{
- clear_bit(flag, &lli->lli_flags);
-}
-
-static inline bool ll_file_test_flag(struct ll_inode_info *lli,
- enum ll_file_flags flag)
-{
- return test_bit(flag, &lli->lli_flags);
-}
-
-static inline bool ll_file_test_and_clear_flag(struct ll_inode_info *lli,
- enum ll_file_flags flag)
-{
- return test_and_clear_bit(flag, &lli->lli_flags);
-}
-
int ll_xattr_cache_destroy(struct inode *inode);
int ll_xattr_cache_get(struct inode *inode,
unsigned int ll_heat_decay_weight;
unsigned int ll_heat_period_second;
+ /* Opens of the same inode before we start requesting open lock */
+ u32 ll_oc_thrsh_count;
+
+ /* Time in ms between last inode close and next open to be considered
+ * instant back to back and would trigger an open lock request
+ */
+ u32 ll_oc_thrsh_ms;
+
+ /* Time in ms after last file close that we no longer count prior opens*/
+ u32 ll_oc_max_ms;
+
/* filesystem fsname */
char ll_fsname[LUSTRE_MAXFSNAME + 1];
#define SBI_DEFAULT_HEAT_DECAY_WEIGHT ((80 * 256 + 50) / 100)
#define SBI_DEFAULT_HEAT_PERIOD_SECOND (60)
+
+#define SBI_DEFAULT_OPENCACHE_THRESHOLD_COUNT (5)
+#define SBI_DEFAULT_OPENCACHE_THRESHOLD_MS (100) /* 0.1 second */
+#define SBI_DEFAULT_OPENCACHE_THRESHOLD_MAX_MS (60000) /* 1 minute */
+
/*
* per file-descriptor read-ahead data.
*/
LPROC_LL_REMOVEXATTR,
LPROC_LL_INODE_PERM,
LPROC_LL_FALLOCATE,
+ LPROC_LL_INODE_OCOUNT,
+ LPROC_LL_INODE_OPCLTM,
LPROC_LL_FILE_OPCODES
};
GET_DEFAULT_LAYOUT_ROOT = 1,
};
-struct ll_dir_chain {
-};
-
-static inline void ll_dir_chain_init(struct ll_dir_chain *chain)
-{
-}
-
-static inline void ll_dir_chain_fini(struct ll_dir_chain *chain)
-{
-}
-
extern const struct file_operations ll_dir_operations;
extern const struct inode_operations ll_dir_inode_operations;
#ifdef HAVE_DIR_CONTEXT
int ll_get_mdt_idx(struct inode *inode);
int ll_get_mdt_idx_by_fid(struct ll_sb_info *sbi, const struct lu_fid *fid);
struct page *ll_get_dir_page(struct inode *dir, struct md_op_data *op_data,
- __u64 offset, struct ll_dir_chain *chain);
+ __u64 offset);
void ll_release_page(struct inode *inode, struct page *page, bool remove);
int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl);
extern const struct address_space_operations ll_aops;
/* llite/file.c */
-extern const struct file_operations ll_file_operations;
-extern const struct file_operations ll_file_operations_flock;
-extern const struct file_operations ll_file_operations_noflock;
extern const struct inode_operations ll_file_inode_operations;
+const struct file_operations *ll_select_file_operations(struct ll_sb_info *sbi);
extern int ll_have_md_lock(struct inode *inode, __u64 *bits,
enum ldlm_mode l_req_mode);
extern enum ldlm_mode ll_take_md_lock(struct inode *inode, __u64 bits,
int ll_file_release(struct inode *inode, struct file *file);
int ll_release_openhandle(struct dentry *, struct lookup_intent *);
int ll_md_real_close(struct inode *inode, fmode_t fmode);
+void ll_track_file_opens(struct inode *inode);
extern void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid,
struct ll_file_data *file, loff_t pos,
size_t count, int rw);
#endif
int ll_getattr_dentry(struct dentry *de, struct kstat *stat, u32 request_mask,
unsigned int flags, bool foreign);
-struct posix_acl *ll_get_acl(struct inode *inode, int type);
-#ifdef HAVE_IOP_SET_ACL
#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
+struct posix_acl *ll_get_acl(struct inode *inode, int type);
int ll_set_acl(struct inode *inode, struct posix_acl *acl, int type);
#else /* !CONFIG_LUSTRE_FS_POSIX_ACL */
+#define ll_get_acl NULL
#define ll_set_acl NULL
#endif /* CONFIG_LUSTRE_FS_POSIX_ACL */
-#endif
-
static inline int ll_xflags_to_inode_flags(int xflags)
{
return ((xflags & FS_XFLAG_SYNC) ? S_SYNC : 0) |
((xflags & FS_XFLAG_IMMUTABLE) ? S_IMMUTABLE : 0);
}
-static inline int ll_inode_flags_to_xflags(int flags)
+static inline int ll_inode_flags_to_xflags(int inode_flags)
{
- return ((flags & S_SYNC) ? FS_XFLAG_SYNC : 0) |
- ((flags & S_NOATIME) ? FS_XFLAG_NOATIME : 0) |
- ((flags & S_APPEND) ? FS_XFLAG_APPEND : 0) |
- ((flags & S_IMMUTABLE) ? FS_XFLAG_IMMUTABLE : 0);
+ return ((inode_flags & S_SYNC) ? FS_XFLAG_SYNC : 0) |
+ ((inode_flags & S_NOATIME) ? FS_XFLAG_NOATIME : 0) |
+ ((inode_flags & S_APPEND) ? FS_XFLAG_APPEND : 0) |
+ ((inode_flags & S_IMMUTABLE) ? FS_XFLAG_IMMUTABLE : 0);
}
int ll_migrate(struct inode *parent, struct file *file,
int ll_statfs_internal(struct ll_sb_info *sbi, struct obd_statfs *osfs,
u32 flags);
int ll_update_inode(struct inode *inode, struct lustre_md *md);
-void ll_update_inode_flags(struct inode *inode, int ext_flags);
+void ll_update_inode_flags(struct inode *inode, unsigned int ext_flags);
int ll_read_inode2(struct inode *inode, void *opaque);
+void ll_truncate_inode_pages_final(struct inode *inode);
void ll_delete_inode(struct inode *inode);
int ll_iocontrol(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg);