#include <linux/pagemap.h>
#include <linux/quotaops.h>
#include <linux/version.h>
-#include <linux/kp30.h>
+#include <libcfs/kp30.h>
#include <linux/lustre_fsfilt.h>
#include <linux/lustre_smfs.h>
#include <linux/obd.h>
struct inode *parent,
int del)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
struct inode *cache_inode = NULL;
struct inode *cache_parent = NULL;
struct inode *cache_ind_inode = NULL;
index, gen, cache_parent, del);
post_smfs_inode(inode, cache_inode);
post_smfs_inode(inode, cache_parent);
-
+ #if 0
if (cache_ind_inode && !IS_ERR(cache_ind_inode)){
/*FIXME: get indirect inode set_cow flags*/
- ind_inode = iget4(inode->i_sb, cache_ind_inode->i_ino, NULL, 0);
- }
+ ind_inode = smfs_get_inode(inode->i_sb, cache_ind_inode->i_ino,
+ inode, 0);
+ }
+ #endif
RETURN(ind_inode);
}
static struct inode* fsfilt_smfs_get_indirect(struct inode *inode,
int *table, int slot)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
struct inode *cache_inode = NULL;
struct inode *cache_ind_inode = NULL;
struct inode *ind_inode = NULL;
cache_ind_inode = snap_fsfilt->fs_get_indirect(cache_inode,
table, slot);
post_smfs_inode(inode, cache_inode);
-
+#if 0
if (cache_ind_inode && !IS_ERR(cache_ind_inode)){
/*FIXME: get indirect inode set_cow flags*/
- ind_inode = iget4(inode->i_sb, cache_ind_inode->i_ino, NULL, 0);
+ ind_inode = smfs_get_inode(inode->i_sb, cache_ind_inode->i_ino,
+ inode, slot);
}
+#endif
RETURN(ind_inode);
}
static int fsfilt_smfs_set_indirect(struct inode *inode, int index,
ino_t ind_ino, ino_t parent_ino)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
struct inode *cache_inode = NULL;
int rc = -EIO;
ENTRY;
static int fsfilt_smfs_is_redirector(struct inode *inode)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
struct inode *cache_inode = NULL;
int rc = -EIO;
ENTRY;
}
static int fsfilt_smfs_is_indirect(struct inode *inode)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
struct inode *cache_inode = NULL;
int rc = -EIO;
ENTRY;
RETURN(rc);
}
-static ino_t fsfilt_smfs_get_indirect_ino(struct inode *inode, int index)
+static ino_t fsfilt_smfs_get_indirect_ino(struct super_block *sb, ino_t ino,
+ int index)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
- struct inode *cache_inode = NULL;
+ struct fsfilt_operations *snap_fsfilt = S2SNAPI(sb)->snap_cache_fsfilt;
+ struct super_block *csb = S2CSB(sb);
int rc = -EIO;
ENTRY;
if (snap_fsfilt == NULL)
RETURN(rc);
- cache_inode = I2CI(inode);
- if (!cache_inode)
- RETURN(rc);
-
- pre_smfs_inode(inode, cache_inode);
if (snap_fsfilt->fs_get_indirect_ino)
- rc = snap_fsfilt->fs_get_indirect_ino(cache_inode, index);
- post_smfs_inode(inode, cache_inode);
-
+ rc = snap_fsfilt->fs_get_indirect_ino(csb, ino, index);
+
RETURN(rc);
}
static int fsfilt_smfs_destroy_indirect(struct inode *inode, int index,
struct inode *next_ind)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
struct inode *cache_inode = NULL;
struct inode *cache_next = NULL;
int rc = -EIO;
}
static int fsfilt_smfs_restore_indirect(struct inode *inode, int index)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(inode);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
struct inode *cache_inode = NULL;
int rc = -EIO;
ENTRY;
static int fsfilt_smfs_copy_block(struct inode *dst, struct inode *src, int blk)
{
- struct fsfilt_operations *snap_fsfilt = I2SNAPOPS(dst);
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(dst);
struct inode *cache_dst = NULL;
struct inode *cache_src = NULL;
int rc = -EIO;
RETURN(rc);
}
-static int fsfilt_smfs_set_snap_info(struct super_block *sb,struct inode *inode,
+static int fsfilt_smfs_set_snap_info(struct inode *inode,
void* key, __u32 keylen, void *val,
__u32 *vallen)
{
- struct super_block *csb = NULL;
- struct inode *cache_inode = NULL;
- struct fsfilt_operations *snap_fsfilt = NULL;
- int rc = -EIO;
-
- if (sb) {
- csb = S2CSB(sb);
- snap_fsfilt = S2SNAPI(sb)->snap_cache_fsfilt;
- } else if (inode) {
- cache_inode = I2CI(inode);
- snap_fsfilt = I2SNAPOPS(inode);
- }
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
+ struct inode *cache_inode = NULL;
+ int rc = -EIO;
+
if (snap_fsfilt == NULL)
RETURN(rc);
+ cache_inode = I2CI(inode);
+ if (!cache_inode)
+ RETURN(rc);
+
+ pre_smfs_inode(inode, cache_inode);
+
if (snap_fsfilt->fs_set_snap_info)
- rc = snap_fsfilt->fs_set_snap_info(csb, cache_inode, key,
+ rc = snap_fsfilt->fs_set_snap_info(cache_inode, key,
keylen, val, vallen);
-
+ post_smfs_inode(inode, cache_inode);
+
RETURN(rc);
}
-static int fsfilt_smfs_get_snap_info(struct super_block *sb, struct inode *inode,
- void *key, __u32 keylen, void *val,
- __u32 *vallen)
+static int fsfilt_smfs_get_snap_info(struct inode *inode, void *key,
+ __u32 keylen, void *val, __u32 *vallen)
{
- struct super_block *csb = NULL;
- struct inode *cache_inode = NULL;
- struct fsfilt_operations *snap_fsfilt = NULL;
+ struct fsfilt_operations *snap_fsfilt = I2SNAPCOPS(inode);
+ struct inode *cache_inode = NULL;
int rc = -EIO;
- if (sb) {
- csb = S2CSB(sb);
- snap_fsfilt = S2SNAPI(sb)->snap_cache_fsfilt;
- } else if (inode) {
- cache_inode = I2CI(inode);
- snap_fsfilt = I2SNAPOPS(inode);
- }
-
if (snap_fsfilt == NULL)
RETURN(rc);
-
+
+ cache_inode = I2CI(inode);
+ if (!cache_inode)
+ RETURN(rc);
+
if (snap_fsfilt->fs_get_snap_info)
- rc = snap_fsfilt->fs_get_snap_info(csb, cache_inode, key,
+ rc = snap_fsfilt->fs_get_snap_info(cache_inode, key,
keylen, val, vallen);
-
+
RETURN(rc);
}
+static int fsfilt_smfs_read_dotsnap_dir_page(struct file *file, char *buf,
+ size_t count, loff_t *off)
+{
+#if 0
+ struct inode *inode = file->f_dentry->d_inode;
+ struct fsfilt_operations *snap_cops = I2SNAPCOPS(inode);
+ int i = 0, size = 0, off_count = 0, buf_off = 0, rc = 0;
+ ENTRY;
+ /*Get the offset of dir ent*/
+ //struct snap_table *stbl = S2SNAPI(inode->i_sb)->sni_table;
+ while (size < *off && off_count < stbl->sntbl_count) {
+ char *name = stbl->sntbl_items[i].sn_name;
+ size +=snap_cops->fs_dir_ent_size(name);
+ off_count ++;
+ }
+ for (i = off_count; i < stbl->sntbl_count; i++) {
+ char *name = stbl->sntbl_items[i].sn_name;
+ rc = snap_cops->fs_set_dir_ent(inode->i_sb, name, buf, buf_off,
+ rc, count);
+ if (rc < 0)
+ break;
+
+ buf_off += rc;
+
+ if (buf_off >= count)
+ break;
+ }
+ if (rc > 0)
+ rc = 0;
+#else
+#warning "still not implement read .snap dir page for fsfilt Wangdi"
+#endif
+ RETURN(0);
+}
+
struct fsfilt_operations fsfilt_smfs_snap_ops = {
.fs_type = "smfs_snap",
.fs_owner = THIS_MODULE,
.fs_copy_block = fsfilt_smfs_copy_block,
.fs_set_snap_info = fsfilt_smfs_set_snap_info,
.fs_get_snap_info = fsfilt_smfs_get_snap_info,
+ .fs_read_dotsnap_dir_page = fsfilt_smfs_read_dotsnap_dir_page,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff