/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001 Cluster File Systems, Inc. <info@clusterfs.com>
+ * Copyright (C) 2001-2004 Cluster File Systems, Inc. <info@clusterfs.com>
*
* This file is part of Lustre, http://www.lustre.org.
*
#ifdef __KERNEL__
#include <linux/obd.h>
+#include <linux/lustre_log.h>
#include <linux/obd_class.h>
typedef void (*fsfilt_cb_t)(struct obd_device *obd, __u64 last_rcvd,
int (* fs_set_md)(struct inode *inode, void *handle, void *md,
int size);
int (* fs_get_md)(struct inode *inode, void *md, int size);
+
+ /* this method is needed to make IO operation fsfilt nature depend. */
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+ int (* fs_send_bio)(struct inode *inode, struct bio *bio);
+#else
+ int (* fs_send_bio)(struct inode *inode, struct kiobuf *bio);
+#endif
+
+ /* methods for getting page from backing fs and putting page there
+ * during IO. Used on OST. */
+ int (* fs_putpage)(struct inode *inode, struct page *page);
+ struct page *(* fs_getpage)(struct inode *inode, long int index);
+
ssize_t (* fs_readpage)(struct file *file, char *buf, size_t count,
loff_t *offset);
- int (* fs_add_journal_cb)(struct obd_device *obd, __u64 last_rcvd,
- void *handle, fsfilt_cb_t cb_func,
+ int (* fs_add_journal_cb)(struct obd_device *obd, struct super_block *sb,
+ __u64 last_rcvd, void *handle, fsfilt_cb_t cb_func,
void *cb_data);
int (* fs_statfs)(struct super_block *sb, struct obd_statfs *osfs);
int (* fs_sync)(struct super_block *sb);
int force_sync);
int (* fs_read_record)(struct file *, void *, int size, loff_t *);
int (* fs_setup)(struct super_block *sb);
+
+ int (* fs_set_xattr)(struct inode *inode, void *handle, char *name,
+ void *buffer, int buffer_size);
+ int (* fs_get_xattr)(struct inode *inode, char *name,
+ void *buffer, int buffer_size);
+
int (* fs_get_op_len)(int, struct fsfilt_objinfo *, int);
};
#define FSFILT_OP_SETATTR 8
#define FSFILT_OP_LINK 9
#define FSFILT_OP_CANCEL_UNLINK 10
-
-static inline void *fsfilt_start_log(struct obd_device *obd,
- struct inode *inode, int op,
- struct obd_trans_info *oti, int logs)
+#define FSFILT_OP_NOOP 15
+
+/* XXX BUG 3188 -- must return to one set of opcodes */
+#define KML_UNLINK 0x11
+#define KML_RMDIR 0x12
+#define KML_RENAME 0x13
+#define KML_CREATE 0x14
+#define KML_MKDIR 0x15
+#define KML_SYMLINK 0x16
+#define KML_MKNOD 0x17
+#define KML_LINK 0x19
+
+#define CACHE_UNLINK 0x21
+#define CACHE_RMDIR 0x22
+#define CACHE_RENAME 0x23
+#define CACHE_CREATE 0x24
+#define CACHE_MKDIR 0x25
+#define CACHE_SYMLINK 0x26
+#define CACHE_MKNOD 0x27
+#define CACHE_LINK 0x29
+#define CACHE_NOOP 0x2f
+
+#define KML_CACHE_UNLINK 0x31
+#define KML_CACHE_RMDIR 0x32
+#define KML_CACHE_RENAME 0x33
+#define KML_CACHE_CREATE 0x34
+#define KML_CACHE_MKDIR 0x35
+#define KML_CACHE_SYMLINK 0x36
+#define KML_CACHE_MKNOD 0x37
+#define KML_CACHE_LINK 0x39
+#define KML_CACHE_NOOP 0x3f
+
+static inline void *
+fsfilt_start_ops(struct fsfilt_operations *ops, struct inode *inode,
+ int op, struct obd_trans_info *oti, int logs)
{
unsigned long now = jiffies;
void *parent_handle = oti ? oti->oti_handle : NULL;
- void *handle = obd->obd_fsops->fs_start(inode, op, parent_handle, logs);
- CDEBUG(D_INFO, "started handle %p (%p)\n", handle, parent_handle);
+ void *handle = ops->fs_start(inode, op, parent_handle, logs);
+ CDEBUG(D_HA, "started handle %p (%p)\n", handle, parent_handle);
if (oti != NULL) {
if (parent_handle == NULL) {
return handle;
}
-static inline void *fsfilt_start(struct obd_device *obd, struct inode *inode,
- int op, struct obd_trans_info *oti)
+static inline void *
+fsfilt_start_log(struct obd_device *obd, struct inode *inode,
+ int op, struct obd_trans_info *oti, int logs)
+{
+ return fsfilt_start_ops(obd->obd_fsops, inode, op, oti, logs);
+}
+
+static inline void *
+fsfilt_start(struct obd_device *obd, struct inode *inode,
+ int op, struct obd_trans_info *oti)
+{
+ return fsfilt_start_ops(obd->obd_fsops, inode, op, oti, 0);
+}
+
+static inline void *
+llog_fsfilt_start(struct llog_ctxt *ctxt, struct inode *inode,
+ int op, struct obd_trans_info *oti)
+{
+ return fsfilt_start_ops(ctxt->loc_fsops, inode, op, oti, 1);
+}
+
+static inline int
+fsfilt_commit_ops(struct fsfilt_operations *ops, struct inode *inode,
+ void *handle, int force_sync)
+{
+ unsigned long now = jiffies;
+ int rc = ops->fs_commit(inode, handle, force_sync);
+ CDEBUG(D_HA, "committing handle %p\n", handle);
+
+ if (time_after(jiffies, now + 15 * HZ))
+ CERROR("long journal start time %lus\n", (jiffies - now) / HZ);
+
+ return rc;
+}
+
+static inline int
+fsfilt_commit(struct obd_device *obd, struct inode *inode,
+ void *handle, int force_sync)
+{
+ return fsfilt_commit_ops(obd->obd_fsops, inode, handle, force_sync);
+}
+
+static inline int
+llog_fsfilt_commit(struct llog_ctxt *ctxt, struct inode *inode,
+ void *handle, int force_sync)
{
- return fsfilt_start_log(obd, inode, op, oti, 0);
+ return fsfilt_commit_ops(ctxt->loc_fsops, inode, handle, force_sync);
}
-static inline void *fsfilt_brw_start_log(struct obd_device *obd,
- int objcount,
- struct fsfilt_objinfo *fso,
- int niocount, struct niobuf_local *nb,
- struct obd_trans_info *oti, int logs)
+static inline void *
+fsfilt_brw_start_log(struct obd_device *obd, int objcount,
+ struct fsfilt_objinfo *fso, int niocount,
+ struct niobuf_local *nb, struct obd_trans_info *oti,
+ int logs)
{
unsigned long now = jiffies;
void *parent_handle = oti ? oti->oti_handle : NULL;
return handle;
}
-static inline void *fsfilt_brw_start(struct obd_device *obd, int objcount,
- struct fsfilt_objinfo *fso, int niocount,
- struct niobuf_local *nb,
- struct obd_trans_info *oti)
+static inline void *
+fsfilt_brw_start(struct obd_device *obd, int objcount,
+ struct fsfilt_objinfo *fso, int niocount,
+ struct niobuf_local *nb, struct obd_trans_info *oti)
{
return fsfilt_brw_start_log(obd, objcount, fso, niocount, nb, oti, 0);
}
-static inline int fsfilt_commit(struct obd_device *obd, struct inode *inode,
- void *handle, int force_sync)
-{
- unsigned long now = jiffies;
- int rc = obd->obd_fsops->fs_commit(inode, handle, force_sync);
- CDEBUG(D_INFO, "committing handle %p\n", handle);
-
- if (time_after(jiffies, now + 15 * HZ))
- CERROR("long journal start time %lus\n", (jiffies - now) / HZ);
-
- return rc;
-}
-
-static inline int fsfilt_commit_async(struct obd_device *obd,
- struct inode *inode, void *handle,
- void **wait_handle)
+static inline int
+fsfilt_commit_async(struct obd_device *obd, struct inode *inode,
+ void *handle, void **wait_handle)
{
unsigned long now = jiffies;
int rc = obd->obd_fsops->fs_commit_async(inode, handle, wait_handle);
return rc;
}
-static inline int fsfilt_commit_wait(struct obd_device *obd,
- struct inode *inode, void *handle)
+static inline int
+fsfilt_commit_wait(struct obd_device *obd, struct inode *inode, void *handle)
{
unsigned long now = jiffies;
int rc = obd->obd_fsops->fs_commit_wait(inode, handle);
return rc;
}
-static inline int fsfilt_setattr(struct obd_device *obd, struct dentry *dentry,
- void *handle, struct iattr *iattr,int do_trunc)
+static inline int
+fsfilt_setattr(struct obd_device *obd, struct dentry *dentry,
+ void *handle, struct iattr *iattr, int do_trunc)
{
unsigned long now = jiffies;
int rc;
return rc;
}
-static inline int fsfilt_iocontrol(struct obd_device *obd, struct inode *inode,
- struct file *file, unsigned int cmd,
- unsigned long arg)
+static inline int
+fsfilt_iocontrol(struct obd_device *obd, struct inode *inode,
+ struct file *file, unsigned int cmd,
+ unsigned long arg)
{
return obd->obd_fsops->fs_iocontrol(inode, file, cmd, arg);
}
-static inline int fsfilt_set_md(struct obd_device *obd, struct inode *inode,
- void *handle, void *md, int size)
+static inline int fsfilt_setup(struct obd_device *obd,
+ struct super_block *fs)
+{
+ if (obd->obd_fsops->fs_setup)
+ return obd->obd_fsops->fs_setup(fs);
+
+ return 0;
+}
+
+static inline int
+fsfilt_set_md(struct obd_device *obd, struct inode *inode,
+ void *handle, void *md, int size)
{
return obd->obd_fsops->fs_set_md(inode, handle, md, size);
}
-static inline int fsfilt_get_md(struct obd_device *obd, struct inode *inode,
- void *md, int size)
+static inline int
+fsfilt_get_md(struct obd_device *obd, struct inode *inode,
+ void *md, int size)
{
return obd->obd_fsops->fs_get_md(inode, md, size);
}
-static inline ssize_t fsfilt_readpage(struct obd_device *obd,
- struct file *file, char *buf,
- size_t count, loff_t *offset)
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+static inline int
+fsfilt_send_bio(struct obd_device *obd, struct inode *inode,
+ struct bio *bio)
+#else
+static inline int
+fsfilt_send_bio(struct obd_device *obd, struct inode *inode,
+ struct kiobuf *bio)
+#endif
+{
+ return obd->obd_fsops->fs_send_bio(inode, bio);
+}
+
+static inline int
+fsfilt_putpage(struct obd_device *obd, struct inode *inode,
+ struct page *page)
+{
+ int rc = 0;
+ struct filter_obd *filter;
+ unsigned long now = jiffies;
+
+ LASSERT(obd != NULL);
+ LASSERT(inode != NULL);
+ LASSERT(page != NULL);
+
+ filter = &obd->u.filter;
+
+ if (!obd->obd_fsops->fs_putpage)
+ return -ENOSYS;
+
+ CDEBUG(D_INFO, "putpage %lx\n", page->index);
+
+ rc = obd->obd_fsops->fs_putpage(inode, page);
+
+ if (time_after(jiffies, now + 15 * HZ))
+ CERROR("long putpage time %lus\n", (jiffies - now) / HZ);
+
+ return rc;
+}
+
+static inline struct page *
+fsfilt_getpage(struct obd_device *obd, struct inode *inode,
+ unsigned long index)
+{
+ struct page *page;
+ unsigned long now = jiffies;
+
+ LASSERT(obd != NULL);
+ LASSERT(inode != NULL);
+
+ if (!obd->obd_fsops->fs_getpage)
+ return ERR_PTR(-ENOSYS);
+
+ CDEBUG(D_INFO, "getpage %lx\n", index);
+
+ page = obd->obd_fsops->fs_getpage(inode, index);
+
+ if (time_after(jiffies, now + 15 * HZ))
+ CERROR("long getpage time %lus\n", (jiffies - now) / HZ);
+
+ return page;
+}
+
+static inline ssize_t
+fsfilt_readpage(struct obd_device *obd, struct file *file, char *buf,
+ size_t count, loff_t *offset)
{
return obd->obd_fsops->fs_readpage(file, buf, count, offset);
}
-static inline int fsfilt_add_journal_cb(struct obd_device *obd, __u64 last_rcvd,
- void *handle, fsfilt_cb_t cb_func,
- void *cb_data)
+static inline int
+fsfilt_add_journal_cb(struct obd_device *obd, struct super_block *sb,
+ __u64 last_rcvd, void *handle, fsfilt_cb_t cb_func,
+ void *cb_data)
{
- return obd->obd_fsops->fs_add_journal_cb(obd, last_rcvd,
- handle, cb_func, cb_data);
+ return obd->obd_fsops->fs_add_journal_cb(obd, sb, last_rcvd, handle,
+ cb_func, cb_data);
}
/* very similar to obd_statfs(), but caller already holds obd_osfs_lock */
-static inline int fsfilt_statfs(struct obd_device *obd, struct super_block *sb,
- unsigned long max_age)
+static inline int
+fsfilt_statfs(struct obd_device *obd, struct super_block *sb,
+ unsigned long max_age)
{
int rc = 0;
return rc;
}
-static inline int fsfilt_sync(struct obd_device *obd, struct super_block *sb)
+static inline int
+fsfilt_sync(struct obd_device *obd, struct super_block *sb)
{
return obd->obd_fsops->fs_sync(sb);
}
-static inline int fsfilt_map_inode_page(struct obd_device *obd,
- struct inode *inode, struct page *page,
- unsigned long *blocks, int *created,
- int create)
+static inline int
+fsfilt_map_inode_page(struct obd_device *obd, struct inode *inode,
+ struct page *page, unsigned long *blocks,
+ int *created, int create)
{
- return obd->obd_fsops->fs_map_inode_page(inode, page, blocks, created,
- create);
+ return obd->obd_fsops->fs_map_inode_page(inode, page, blocks,
+ created, create);
}
-static inline int fs_prep_san_write(struct obd_device *obd,
- struct inode *inode,
- long *blocks,
- int nblocks,
- loff_t newsize)
+static inline int
+fs_prep_san_write(struct obd_device *obd, struct inode *inode,
+ long *blocks, int nblocks, loff_t newsize)
{
return obd->obd_fsops->fs_prep_san_write(inode, blocks,
nblocks, newsize);
}
-static inline int fsfilt_read_record(struct obd_device *obd, struct file *file,
- void *buf, loff_t size, loff_t *offs)
+static inline int
+fsfilt_read_record(struct obd_device *obd, struct file *file,
+ void *buf, loff_t size, loff_t *offs)
{
return obd->obd_fsops->fs_read_record(file, buf, size, offs);
}
-static inline int fsfilt_write_record(struct obd_device *obd, struct file *file,
- void *buf, loff_t size, loff_t *offs,
- int force_sync)
+static inline int
+fsfilt_write_record(struct obd_device *obd, struct file *file,
+ void *buf, loff_t size, loff_t *offs, int force_sync)
{
- return obd->obd_fsops->fs_write_record(file, buf, size,offs,force_sync);
+ return obd->obd_fsops->fs_write_record(file, buf, size, offs,
+ force_sync);
}
-static inline int fsfilt_setup(struct obd_device *obd, struct super_block *fs)
+static inline int
+llog_fsfilt_write_record(struct llog_ctxt *ctxt, struct file *file,
+ void *buf, loff_t size, loff_t *offs,
+ int force_sync)
{
- if (obd->obd_fsops->fs_setup)
- return obd->obd_fsops->fs_setup(fs);
- return 0;
+ return ctxt->loc_fsops->fs_write_record(file, buf, size, offs,
+ force_sync);
+}
+
+static inline int
+llog_fsfilt_read_record(struct llog_ctxt *ctxt, struct file *file,
+ void *buf, loff_t size, loff_t *offs)
+{
+ return ctxt->loc_fsops->fs_read_record(file, buf, size, offs);
}
#endif /* __KERNEL__ */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff