#include <linux/lustre_smfs.h>
#include "smfs_internal.h"
+#define SMFS_IOPEN_INO 1
+
static void smfs_init_inode_info(struct inode *inode, void *opaque)
{
- if (!I2SMI(inode)) {
- struct inode *cache_inode = NULL;
- struct smfs_iget_args *sargs = opaque;
- unsigned long ino;
-
- /* getting backing fs inode. */
- ino = sargs ? sargs->s_ino : inode->i_ino;
- cache_inode = iget(S2CSB(inode->i_sb), ino);
-
- OBD_ALLOC(inode->u.generic_ip,
- sizeof(struct smfs_inode_info));
- LASSERT(inode->u.generic_ip);
- I2CI(inode) = cache_inode;
+ struct inode *cache_inode = NULL;
+ struct smfs_iget_args *sargs = opaque;
+ unsigned long ino;
+
+ LASSERTF((!I2SMI(inode)), "Inode %lu already has smfs_inode_info %p \n",
+ inode->i_ino, I2SMI(inode));
- CDEBUG(D_INODE, "cache_inode %lu i_count %d\n",
- cache_inode->i_ino, atomic_read(&cache_inode->i_count));
+ /* getting backing fs inode. */
+ LASSERT(sargs);
+ ino = inode->i_ino;
+ cache_inode = iget(S2CSB(inode->i_sb), ino);
- post_smfs_inode(inode, cache_inode);
- sm_set_inode_ops(cache_inode, inode);
+ OBD_ALLOC(inode->u.generic_ip, sizeof(struct smfs_inode_info));
+
+ LASSERT(inode->u.generic_ip);
+
+ I2CI(inode) = cache_inode;
+ CDEBUG(D_INODE,"Init inode info #%lu (%p) icount %u\n", inode->i_ino, inode,
+ atomic_read(&cache_inode->i_count));
- if (sargs) {
- struct inode *dir = sargs->s_inode;
- if (dir)
- I2SMI(inode)->smi_flags = I2SMI(dir)->smi_flags;
- }
+ post_smfs_inode(inode, cache_inode);
+ sm_set_inode_ops(cache_inode, inode);
+ //iopen stuff
+ if (ino == SMFS_IOPEN_INO) {
+ inode->i_op = &smfs_iopen_iops;
+ inode->i_fop = &smfs_iopen_fops;
}
+ //inherit parent inode flags
+ if (sargs->s_inode) {
+ I2SMI(inode)->smi_flags = I2SMI(sargs->s_inode)->smi_flags;
+ CDEBUG(D_INODE, "set inode %lu flags 0x%.8x\n", inode->i_ino,
+ I2SMI(inode)->smi_flags);
+ }
}
static void smfs_clear_inode_info(struct inode *inode)
{
- if (I2SMI(inode)) {
- struct inode *cache_inode = I2CI(inode);
-
- //CDEBUG(D_INODE, "Clear_info: cache_inode %lu\n", cache_inode->i_ino);
+ struct inode *cache_inode = I2CI(inode);
+ struct smfs_inode_info * info = I2SMI(inode);
+
+ CDEBUG(D_INODE, "Clear_info: inode %lu (%p)\n", inode->i_ino, inode);
- LASSERTF(((atomic_read(&cache_inode->i_count) == 1) ||
- cache_inode == cache_inode->i_sb->s_root->d_inode),
- "inode %p cache inode %p #%lu i_count %d != 1 \n",
- inode, cache_inode, cache_inode->i_ino,
- atomic_read(&cache_inode->i_count));
-
- //if (cache_inode != cache_inode->i_sb->s_root->d_inode)
- iput(cache_inode);
-
- OBD_FREE(inode->u.generic_ip,
- sizeof(struct smfs_inode_info));
- inode->u.generic_ip = NULL;
- }
+ inode->u.generic_ip = NULL;
+ iput(cache_inode);
+ OBD_FREE(info, sizeof(*info));
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
return;
}
- CDEBUG(D_INODE, "read_inode ino %lu\n", inode->i_ino);
smfs_init_inode_info(inode, opaque);
CDEBUG(D_INODE, "read_inode ino %lu icount %d \n",
inode->i_ino, atomic_read(&inode->i_count));
!smfs_snap_test_inode(inode, opaque))
return 0;
#endif
-
+
return 1;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
int smfs_set_inode(struct inode *inode, void *opaque)
{
+ struct smfs_iget_args *sargs = opaque;
+
+ inode->i_ino = sargs->s_ino;
+
return 0;
}
smfs_init_inode_info(inode, (void*)sargs);
unlock_new_inode(inode);
}
- inode->i_ino = hash;
- CDEBUG(D_VFSTRACE, "inode: %lu/%u(%p) index %d "
+
+ CDEBUG(D_INODE, "inode: %lu/%u(%p) index %d "
"ino %d\n", inode->i_ino, inode->i_generation,
inode, sargs->s_index, sargs->s_ino);
+
}
-
return inode;
}
#else
if (inode) {
struct inode *cache_inode = I2CI(inode);
- CDEBUG(D_VFSTRACE, "new inode: %lu/%u(%p)\n", inode->i_ino,
+ CDEBUG(D_INODE, "new inode: %lu/%u(%p)\n", inode->i_ino,
inode->i_generation, inode);
}
return inode;
sargs.s_ino = hash;
sargs.s_inode = dir;
sargs.s_index = index;
- CDEBUG(D_VFSTRACE, "get_inode: %lu\n", hash);
-
+
inode = smfs_iget(sb, hash, &sargs);
RETURN(inode);
}
-
+#ifdef FC3_KERNEL
+static int smfs_write_inode(struct inode *inode, int wait)
+#else
static void smfs_write_inode(struct inode *inode, int wait)
+#endif
{
- struct inode *cache_inode;
-
+ struct inode *cache_inode = I2CI(inode);
+#ifdef FC3_KERNEL
+ int rc = 0;
+#endif
ENTRY;
- cache_inode = I2CI(inode);
LASSERT(cache_inode);
CDEBUG(D_INODE,"Write inode %lu\n",inode->i_ino);
pre_smfs_inode(inode, cache_inode);
+#ifdef FC3_KERNEL
+ rc = cache_inode->i_sb->s_op->write_inode(cache_inode, wait);
+#else
cache_inode->i_sb->s_op->write_inode(cache_inode, wait);
-
+#endif
post_smfs_inode(inode, cache_inode);
+#ifdef FC3_KERNEL
+ RETURN(rc);
+#else
EXIT;
+#endif
}
static void smfs_dirty_inode(struct inode *inode)
LASSERT(cache_inode);
pre_smfs_inode(inode, cache_inode);
+
S2CSB(inode->i_sb)->s_op->dirty_inode(cache_inode);
post_smfs_inode(inode, cache_inode);
static void smfs_delete_inode(struct inode *inode)
{
- ENTRY;
+ struct inode * cache_inode = I2CI(inode);
+
+ //smfs_clear_inode_info(inode);
clear_inode(inode);
- EXIT;
}
static void smfs_clear_inode(struct inode *inode)
{
- ENTRY;
smfs_clear_inode_info(inode);
- EXIT;
}
static void smfs_write_super(struct super_block *sb)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff