#include <linux/quotaops.h>
#include <linux/ext3_fs.h>
#include <linux/ext3_jbd.h>
+#include <linux/ext3_extents.h>
#include <linux/version.h>
-/* XXX ugh */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- #include <linux/ext3_xattr.h>
+#include <linux/ext3_xattr.h>
#else
- #include <linux/../../fs/ext3/xattr.h>
+#include <ext3/xattr.h>
#endif
+
#include <linux/kp30.h>
#include <linux/lustre_fsfilt.h>
#include <linux/obd.h>
#include <linux/obd_class.h>
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+#include <linux/module.h>
+#include <linux/iobuf.h>
+#endif
+
static kmem_cache_t *fcb_cache;
static atomic_t fcb_cache_count = ATOMIC_INIT(0);
#endif
#define XATTR_LUSTRE_MDS_LOV_EA "lov"
-#define EXT3_XATTR_INDEX_LUSTRE 5 /* old */
-#define XATTR_LUSTRE_MDS_OBJID "system.lustre_mds_objid" /* old */
-
/*
* We don't currently need any additional blocks for rmdir and
* unlink transactions because we are storing the OST oa_id inside
goto journal_start;
}
+ /* XXX BUG 3188 -- must return to one set of opcodes */
+ /* FIXME - cache hook */
+ if (op & 0x20) {
+ nblocks += EXT3_INDEX_EXTRA_TRANS_BLOCKS+EXT3_DATA_TRANS_BLOCKS;
+ op = op & ~0x20;
+ }
+
+ /* FIXME - kml */
+ if (op & 0x10) {
+ nblocks += EXT3_INDEX_EXTRA_TRANS_BLOCKS+EXT3_DATA_TRANS_BLOCKS;
+ op = op & ~0x10;
+ }
+
switch(op) {
case FSFILT_OP_RMDIR:
case FSFILT_OP_UNLINK:
nblocks = (LLOG_CHUNK_SIZE >> inode->i_blkbits) +
EXT3_DELETE_TRANS_BLOCKS * logs;
break;
+ case FSFILT_OP_NOOP:
+ nblocks += EXT3_INDEX_EXTRA_TRANS_BLOCKS+EXT3_DATA_TRANS_BLOCKS;
+ break;
default: CERROR("unknown transaction start op %d\n", op);
- LBUG();
+ LBUG();
}
LASSERT(current->journal_info == desc_private);
rc = journal_stop(handle);
unlock_kernel();
- // LASSERT(current->journal_info == NULL);
return rc;
}
static int fsfilt_ext3_commit_async(struct inode *inode, void *h,
- void **wait_handle)
+ void **wait_handle)
{
+ unsigned long tid;
transaction_t *transaction;
- unsigned long tid, rtid;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+ unsigned long rtid;
+#endif
handle_t *handle = h;
journal_t *journal;
int rc;
tid_t tid = (tid_t)(long)h;
CDEBUG(D_INODE, "commit wait: %lu\n", (unsigned long) tid);
- if (is_journal_aborted(EXT3_JOURNAL(inode)))
+ if (is_journal_aborted(EXT3_JOURNAL(inode)))
return -EIO;
log_wait_commit(EXT3_JOURNAL(inode), tid);
RETURN(rc);
}
-#undef INLINE_EA
-#undef OLD_EA
static int fsfilt_ext3_set_md(struct inode *inode, void *handle,
void *lmm, int lmm_size)
{
- int rc, old_ea = 0;
-
-#ifdef INLINE_EA /* can go away before 1.0 - just for testing bug 2097 now */
- /* Nasty hack city - store stripe MD data in the block pointers if
- * it will fit, because putting it in an EA currently kills the MDS
- * performance. We'll fix this with "fast EAs" in the future.
- */
- if (inode->i_blocks == 0 && lmm_size <= sizeof(EXT3_I(inode)->i_data) -
- sizeof(EXT3_I(inode)->i_data[0])) {
- unsigned old_size = EXT3_I(inode)->i_data[0];
- if (old_size != 0) {
- LASSERT(old_size < sizeof(EXT3_I(inode)->i_data));
- CERROR("setting EA on %lu/%u again... interesting\n",
- inode->i_ino, inode->i_generation);
- }
+ int rc;
- EXT3_I(inode)->i_data[0] = cpu_to_le32(lmm_size);
- memcpy(&EXT3_I(inode)->i_data[1], lmm, lmm_size);
- mark_inode_dirty(inode);
- return 0;
- }
-#endif
-#ifdef OLD_EA
/* keep this when we get rid of OLD_EA (too noisy during conversion) */
- if (EXT3_I(inode)->i_file_acl /* || large inode EA flag */) {
+ if (EXT3_I(inode)->i_file_acl /* || large inode EA flag */)
CWARN("setting EA on %lu/%u again... interesting\n",
inode->i_ino, inode->i_generation);
- old_ea = 1;
- }
lock_kernel();
- /* this can go away before 1.0. For bug 2097 testing only. */
- rc = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_LUSTRE,
- XATTR_LUSTRE_MDS_OBJID, lmm, lmm_size, 0);
-#else
- lock_kernel();
rc = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_TRUSTED,
XATTR_LUSTRE_MDS_LOV_EA, lmm, lmm_size, 0);
- /* This tries to delete the old-format LOV EA, but only as long as we
- * have successfully saved the new-format LOV EA (we can always try
- * the conversion again the next time the file is accessed). It is
- * possible (although unlikely) that the new-format LOV EA couldn't be
- * saved because it ran out of space but we would need a file striped
- * over least 123 OSTs before the two EAs filled a 4kB block.
- *
- * This can be removed when all filesystems have converted to the
- * new EA format, but otherwise adds little if any overhead. If we
- * wanted backward compatibility for existing files, we could keep
- * the old EA around for a while but we'd have to clean it up later. */
- if (rc >= 0 && old_ea) {
- int err = ext3_xattr_set_handle(handle, inode,
- EXT3_XATTR_INDEX_LUSTRE,
- XATTR_LUSTRE_MDS_OBJID,
- NULL, 0, 0);
- if (err)
- CERROR("error deleting old LOV EA on %lu/%u: rc %d\n",
- inode->i_ino, inode->i_generation, err);
- }
-#endif
unlock_kernel();
if (rc)
LASSERT(down_trylock(&inode->i_sem) != 0);
lock_kernel();
- /* Keep support for reading "inline EAs" until we convert
- * users over to new format entirely. See bug 841/2097. */
- if (inode->i_blocks == 0 && EXT3_I(inode)->i_data[0]) {
- unsigned size = le32_to_cpu(EXT3_I(inode)->i_data[0]);
- void *handle;
-
- LASSERT(size < sizeof(EXT3_I(inode)->i_data));
- if (lmm) {
- if (size > lmm_size) {
- CERROR("inline EA on %lu/%u bad size %u > %u\n",
- inode->i_ino, inode->i_generation,
- size, lmm_size);
- return -ERANGE;
- }
- memcpy(lmm, &EXT3_I(inode)->i_data[1], size);
- }
-
-#ifndef INLINE_EA
- /* migrate LOV EA data to external block - keep same format */
- CWARN("DEBUG: migrate inline EA for inode %lu/%u to block\n",
- inode->i_ino, inode->i_generation);
-
- handle = journal_start(EXT3_JOURNAL(inode),
- EXT3_XATTR_TRANS_BLOCKS);
- if (!IS_ERR(handle)) {
- int err;
- rc = fsfilt_ext3_set_md(inode, handle,
- &EXT3_I(inode)->i_data[1],size);
- if (rc == 0) {
- memset(EXT3_I(inode)->i_data, 0,
- sizeof(EXT3_I(inode)->i_data));
- mark_inode_dirty(inode);
- }
- err = journal_stop(handle);
- if (err && rc == 0)
- rc = err;
- } else {
- rc = PTR_ERR(handle);
- }
-#endif
- unlock_kernel();
- return size;
- }
rc = ext3_xattr_get(inode, EXT3_XATTR_INDEX_TRUSTED,
XATTR_LUSTRE_MDS_LOV_EA, lmm, lmm_size);
- /* try old EA type if new one failed - MDS will convert it for us */
- if (rc == -ENODATA) {
- CDEBUG(D_INFO,"failed new LOV EA %d/%s from inode %lu: rc %d\n",
- EXT3_XATTR_INDEX_TRUSTED, XATTR_LUSTRE_MDS_LOV_EA,
- inode->i_ino, rc);
-
- rc = ext3_xattr_get(inode, EXT3_XATTR_INDEX_LUSTRE,
- XATTR_LUSTRE_MDS_OBJID, lmm, lmm_size);
- }
unlock_kernel();
/* This gives us the MD size */
if (rc < 0) {
CDEBUG(D_INFO, "error getting EA %d/%s from inode %lu: rc %d\n",
- EXT3_XATTR_INDEX_LUSTRE, XATTR_LUSTRE_MDS_OBJID,
+ EXT3_XATTR_INDEX_TRUSTED, XATTR_LUSTRE_MDS_LOV_EA,
inode->i_ino, rc);
memset(lmm, 0, lmm_size);
return (rc == -ENODATA) ? 0 : rc;
return rc;
}
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+static int fsfilt_ext3_send_bio(struct inode *inode, struct bio *bio)
+{
+ submit_bio(WRITE, bio);
+ return 0;
+}
+#else
+static int fsfilt_ext3_send_bio(struct inode *inode, struct kiobuf *bio)
+{
+ int rc, blocks_per_page;
+
+ rc = brw_kiovec(WRITE, 1, &bio, inode->i_dev,
+ bio->blocks, 1 << inode->i_blkbits);
+
+ blocks_per_page = PAGE_SIZE >> inode->i_blkbits;
+
+ if (rc != (1 << inode->i_blkbits) * bio->nr_pages *
+ blocks_per_page) {
+ CERROR("short write? expected %d, wrote %d\n",
+ (1 << inode->i_blkbits) * bio->nr_pages *
+ blocks_per_page, rc);
+ }
+
+ return rc;
+}
+#endif
+
+/* FIXME-UMKA: This should be used in 2.6.x io code later. */
+static struct page *fsfilt_ext3_getpage(struct inode *inode, long int index)
+{
+ int rc;
+ struct page *page;
+
+ page = grab_cache_page(inode->i_mapping, index);
+ if (page == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ if (PageUptodate(page)) {
+ unlock_page(page);
+ return page;
+ }
+
+ rc = inode->i_mapping->a_ops->readpage(NULL, page);
+ if (rc < 0) {
+ page_cache_release(page);
+ return ERR_PTR(rc);
+ }
+
+ return page;
+}
+
static ssize_t fsfilt_ext3_readpage(struct file *file, char *buf, size_t count,
loff_t *off)
{
atomic_dec(&fcb_cache_count);
}
-static int fsfilt_ext3_add_journal_cb(struct obd_device *obd, __u64 last_rcvd,
+static int fsfilt_ext3_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 ext3_force_commit(sb);
}
+#ifdef EXT3_MULTIBLOCK_ALLOCATOR
+struct bpointers {
+ unsigned long *blocks;
+ int *created;
+ unsigned long start;
+ int num;
+ int init_num;
+};
+
+static int ext3_ext_new_extent_cb(struct ext3_extents_tree *tree,
+ struct ext3_ext_path *path,
+ struct ext3_extent *newex, int exist)
+{
+ struct inode *inode = tree->inode;
+ struct bpointers *bp = tree->private;
+ int count, err, goal;
+ unsigned long pblock;
+ unsigned long tgen;
+ loff_t new_i_size;
+ handle_t *handle;
+ int i;
+
+ i = EXT_DEPTH(tree);
+ EXT_ASSERT(i == path->p_depth);
+ EXT_ASSERT(path[i].p_hdr);
+
+ if (exist) {
+ err = EXT_CONTINUE;
+ goto map;
+ }
+
+ tgen = EXT_GENERATION(tree);
+ count = ext3_ext_calc_credits_for_insert(tree, path);
+ up_write(&EXT3_I(inode)->truncate_sem);
+
+ handle = ext3_journal_start(inode, count + EXT3_ALLOC_NEEDED + 1);
+ if (IS_ERR(handle)) {
+ down_write(&EXT3_I(inode)->truncate_sem);
+ return PTR_ERR(handle);
+ }
+
+ if (tgen != EXT_GENERATION(tree)) {
+ /* the tree has changed. so path can be invalid at moment */
+ ext3_journal_stop(handle, inode);
+ down_write(&EXT3_I(inode)->truncate_sem);
+ return EXT_REPEAT;
+ }
+
+ down_write(&EXT3_I(inode)->truncate_sem);
+ goal = ext3_ext_find_goal(inode, path, newex->e_block);
+ count = newex->e_num;
+ pblock = ext3_new_blocks(handle, inode, &count, goal, &err);
+ if (!pblock)
+ goto out;
+ EXT_ASSERT(count <= newex->e_num);
+
+ /* insert new extent */
+ newex->e_start = pblock;
+ newex->e_num = count;
+ err = ext3_ext_insert_extent(handle, tree, path, newex);
+ if (err)
+ goto out;
+
+ /* correct on-disk inode size */
+ if (newex->e_num > 0) {
+ new_i_size = (loff_t) newex->e_block + newex->e_num;
+ new_i_size = new_i_size << inode->i_blkbits;
+ if (new_i_size > EXT3_I(inode)->i_disksize) {
+ EXT3_I(inode)->i_disksize = new_i_size;
+ err = ext3_mark_inode_dirty(handle, inode);
+ }
+ }
+
+out:
+ ext3_journal_stop(handle, inode);
+map:
+ if (err >= 0) {
+ /* map blocks */
+ if (bp->num == 0) {
+ CERROR("hmm. why do we find this extent?\n");
+ CERROR("initial space: %lu:%u\n",
+ bp->start, bp->init_num);
+ CERROR("current extent: %u/%u/%u %d\n",
+ newex->e_block, newex->e_num,
+ newex->e_start, exist);
+ }
+ i = 0;
+ if (newex->e_block < bp->start)
+ i = bp->start - newex->e_block;
+ if (i >= newex->e_num)
+ CERROR("nothing to do?! i = %d, e_num = %u\n",
+ i, newex->e_num);
+ for (; i < newex->e_num && bp->num; i++) {
+ *(bp->created) = (exist == 0 ? 1 : 0);
+ bp->created++;
+ *(bp->blocks) = newex->e_start + i;
+ bp->blocks++;
+ bp->num--;
+ }
+ }
+ return err;
+}
+
+int fsfilt_map_nblocks(struct inode *inode, unsigned long block,
+ unsigned long num, unsigned long *blocks,
+ int *created, int create)
+{
+ struct ext3_extents_tree tree;
+ struct bpointers bp;
+ int err;
+
+ CDEBUG(D_OTHER, "blocks %lu-%lu requested for inode %u\n",
+ block, block + num, (unsigned) inode->i_ino);
+
+ ext3_init_tree_desc(&tree, inode);
+ tree.private = &bp;
+ bp.blocks = blocks;
+ bp.created = created;
+ bp.start = block;
+ bp.init_num = bp.num = num;
+
+ down_write(&EXT3_I(inode)->truncate_sem);
+ err = ext3_ext_walk_space(&tree, block, num, ext3_ext_new_extent_cb);
+ ext3_ext_invalidate_cache(&tree);
+ up_write(&EXT3_I(inode)->truncate_sem);
+
+ return err;
+}
+
+int fsfilt_ext3_map_ext_inode_pages(struct inode *inode, struct page **page,
+ int pages, unsigned long *blocks,
+ int *created, int create)
+{
+ int blocks_per_page = PAGE_SIZE >> inode->i_blkbits;
+ int rc = 0, i = 0;
+ struct page *fp = NULL;
+ int clen = 0;
+
+ CDEBUG(D_OTHER, "inode %lu: map %d pages from %lu\n",
+ inode->i_ino, pages, (*page)->index);
+
+ /* pages are sorted already. so, we just have to find
+ * contig. space and process them properly */
+ while (i < pages) {
+ if (fp == NULL) {
+ /* start new extent */
+ fp = *page++;
+ clen = 1;
+ i++;
+ continue;
+ } else if (fp->index + clen == (*page)->index) {
+ /* continue the extent */
+ page++;
+ clen++;
+ i++;
+ continue;
+ }
+
+ /* process found extent */
+ rc = fsfilt_map_nblocks(inode, fp->index * blocks_per_page,
+ clen * blocks_per_page, blocks,
+ created, create);
+ if (rc)
+ GOTO(cleanup, rc);
+
+ /* look for next extent */
+ fp = NULL;
+ blocks += blocks_per_page * clen;
+ created += blocks_per_page * clen;
+ }
+
+ if (fp)
+ rc = fsfilt_map_nblocks(inode, fp->index * blocks_per_page,
+ clen * blocks_per_page, blocks,
+ created, create);
+cleanup:
+ return rc;
+}
+#endif
+
extern int ext3_map_inode_page(struct inode *inode, struct page *page,
unsigned long *blocks, int *created, int create);
-int fsfilt_ext3_map_inode_page(struct inode *inode, struct page *page,
- unsigned long *blocks, int *created, int create)
+int fsfilt_ext3_map_bm_inode_pages(struct inode *inode, struct page **page,
+ int pages, unsigned long *blocks,
+ int *created, int create)
+{
+ int blocks_per_page = PAGE_SIZE >> inode->i_blkbits;
+ unsigned long *b;
+ int rc = 0, i, *cr;
+
+ for (i = 0, cr = created, b = blocks; i < pages; i++, page++) {
+ rc = ext3_map_inode_page(inode, *page, b, cr, create);
+ if (rc) {
+ CERROR("ino %lu, blk %lu cr %u create %d: rc %d\n",
+ inode->i_ino, *b, *cr, create, rc);
+ break;
+ }
+
+ b += blocks_per_page;
+ cr += blocks_per_page;
+ }
+ return rc;
+}
+
+int fsfilt_ext3_map_inode_pages(struct inode *inode, struct page **page,
+ int pages, unsigned long *blocks,
+ int *created, int create,
+ struct semaphore *optional_sem)
{
- return ext3_map_inode_page(inode, page, blocks, created, create);
+ int rc;
+#ifdef EXT3_MULTIBLOCK_ALLOCATOR
+ if (EXT3_I(inode)->i_flags & EXT3_EXTENTS_FL) {
+ rc = fsfilt_ext3_map_ext_inode_pages(inode, page, pages,
+ blocks, created, create);
+ return rc;
+ }
+#endif
+ if (optional_sem != NULL)
+ down(optional_sem);
+ rc = fsfilt_ext3_map_bm_inode_pages(inode, page, pages, blocks,
+ created, create);
+ if (optional_sem != NULL)
+ up(optional_sem);
+
+ return rc;
}
extern int ext3_prep_san_write(struct inode *inode, long *blocks,
static int fsfilt_ext3_setup(struct obd_device *obd, struct super_block *sb)
{
+#ifdef EXT3_FEATURE_INCOMPAT_MDSNUM
struct mds_obd *mds = &obd->u.mds;
+#endif
#if 0
EXT3_SB(sb)->dx_lock = fsfilt_ext3_dx_lock;
EXT3_SB(sb)->dx_unlock = fsfilt_ext3_dx_unlock;
#endif
}
+static int fsfilt_ext3_set_xattr(struct inode * inode, void *handle, char *name,
+ void *buffer, int buffer_size)
+{
+ int rc = 0;
+
+ lock_kernel();
+
+ rc = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_TRUSTED,
+ name, buffer, buffer_size, 0);
+ unlock_kernel();
+ if (rc)
+ CERROR("set xattr %s from inode %lu: rc %d\n",
+ name, inode->i_ino, rc);
+ return rc;
+}
+
+static int fsfilt_ext3_get_xattr(struct inode *inode, char *name,
+ void *buffer, int buffer_size)
+{
+ int rc = 0;
+
+ lock_kernel();
+
+ rc = ext3_xattr_get(inode, EXT3_XATTR_INDEX_TRUSTED,
+ name, buffer, buffer_size);
+ unlock_kernel();
+
+ if (buffer == NULL)
+ return (rc == -ENODATA) ? 0 : rc;
+ if (rc < 0) {
+ CDEBUG(D_INFO, "error getting EA %s from inode %lu: rc %d\n",
+ name, inode->i_ino, rc);
+ memset(buffer, 0, buffer_size);
+ return (rc == -ENODATA) ? 0 : rc;
+ }
+
+ return rc;
+}
+
/* If fso is NULL, op is FSFILT operation, otherwise op is number of fso
objects. Logs is number of logfiles to update */
static int fsfilt_ext3_get_op_len(int op, struct fsfilt_objinfo *fso, int logs)
return 0;
}
+
+#define EXTENTS_EA "write_extents"
+#define EXTENTS_EA_SIZE 64
+
+static int fsfilt_ext3_insert_extents_ea(struct inode *inode,
+ unsigned long from,
+ unsigned long num)
+{
+ int rc = 0;
+
+ rc = ext3_ext_in_ea_alloc_space(inode, EXT3_XATTR_INDEX_TRUSTED,
+ EXTENTS_EA, from, num);
+ return rc;
+}
+
+static int fsfilt_ext3_remove_extents_ea(struct inode *inode,
+ unsigned long from,
+ unsigned long num)
+{
+ int rc = 0;
+
+ rc = ext3_ext_in_ea_remove_space(inode, EXT3_XATTR_INDEX_TRUSTED,
+ EXTENTS_EA, from, num);
+ return rc;
+}
+
+extern int ext3_init_tree_in_ea(struct inode *inode, int name_index,
+ const char *eaname, int size);
+
+static int fsfilt_ext3_init_extents_ea(struct inode *inode)
+{
+ int rc = 0;
+
+ rc = ext3_init_tree_in_ea(inode, EXT3_XATTR_INDEX_TRUSTED,
+ EXTENTS_EA, 64);
+ return rc;
+}
+
+static int fsfilt_ext3_get_inode_write_extents(struct inode *inode,
+ char **pbuf, int *size)
+{
+ int rc = 0;
+
+ rc = ext3_ext_in_ea_get_extents(inode, EXT3_XATTR_INDEX_TRUSTED,
+ EXTENTS_EA, pbuf, size);
+ return rc;
+}
+
+static int fsfilt_ext3_get_write_extents_num(struct inode *inode, int *size)
+{
+ int rc = 0;
+
+ rc = ext3_ext_in_ea_get_extents_num(inode, EXT3_XATTR_INDEX_TRUSTED,
+ EXTENTS_EA, size);
+ return rc;
+}
+
static struct fsfilt_operations fsfilt_ext3_ops = {
- fs_type: "ext3",
- fs_owner: THIS_MODULE,
- fs_start: fsfilt_ext3_start,
- fs_brw_start: fsfilt_ext3_brw_start,
- fs_commit: fsfilt_ext3_commit,
- fs_commit_async: fsfilt_ext3_commit_async,
- fs_commit_wait: fsfilt_ext3_commit_wait,
- fs_setattr: fsfilt_ext3_setattr,
- fs_iocontrol: fsfilt_ext3_iocontrol,
- fs_set_md: fsfilt_ext3_set_md,
- fs_get_md: fsfilt_ext3_get_md,
- fs_readpage: fsfilt_ext3_readpage,
- fs_add_journal_cb: fsfilt_ext3_add_journal_cb,
- fs_statfs: fsfilt_ext3_statfs,
- fs_sync: fsfilt_ext3_sync,
- fs_map_inode_page: fsfilt_ext3_map_inode_page,
- fs_prep_san_write: fsfilt_ext3_prep_san_write,
- fs_write_record: fsfilt_ext3_write_record,
- fs_read_record: fsfilt_ext3_read_record,
- fs_setup: fsfilt_ext3_setup,
- fs_get_op_len: fsfilt_ext3_get_op_len,
- fs_add_dir_entry: fsfilt_ext3_add_dir_entry,
- fs_del_dir_entry: fsfilt_ext3_del_dir_entry,
+ .fs_type = "ext3",
+ .fs_owner = THIS_MODULE,
+ .fs_start = fsfilt_ext3_start,
+ .fs_brw_start = fsfilt_ext3_brw_start,
+ .fs_commit = fsfilt_ext3_commit,
+ .fs_commit_async = fsfilt_ext3_commit_async,
+ .fs_commit_wait = fsfilt_ext3_commit_wait,
+ .fs_setattr = fsfilt_ext3_setattr,
+ .fs_iocontrol = fsfilt_ext3_iocontrol,
+ .fs_set_md = fsfilt_ext3_set_md,
+ .fs_get_md = fsfilt_ext3_get_md,
+ .fs_readpage = fsfilt_ext3_readpage,
+ .fs_add_journal_cb = fsfilt_ext3_add_journal_cb,
+ .fs_statfs = fsfilt_ext3_statfs,
+ .fs_sync = fsfilt_ext3_sync,
+ .fs_map_inode_pages = fsfilt_ext3_map_inode_pages,
+ .fs_prep_san_write = fsfilt_ext3_prep_san_write,
+ .fs_write_record = fsfilt_ext3_write_record,
+ .fs_read_record = fsfilt_ext3_read_record,
+ .fs_setup = fsfilt_ext3_setup,
+ .fs_getpage = fsfilt_ext3_getpage,
+ .fs_send_bio = fsfilt_ext3_send_bio,
+ .fs_set_xattr = fsfilt_ext3_set_xattr,
+ .fs_get_xattr = fsfilt_ext3_get_xattr,
+ .fs_get_op_len = fsfilt_ext3_get_op_len,
+ .fs_add_dir_entry = fsfilt_ext3_add_dir_entry,
+ .fs_del_dir_entry = fsfilt_ext3_del_dir_entry,
+ .fs_init_extents_ea = fsfilt_ext3_init_extents_ea,
+ .fs_insert_extents_ea = fsfilt_ext3_insert_extents_ea,
+ .fs_remove_extents_ea = fsfilt_ext3_remove_extents_ea,
+ .fs_get_inode_write_extents = fsfilt_ext3_get_inode_write_extents,
+ .fs_get_write_extents_num = fsfilt_ext3_get_write_extents_num,
};
static int __init fsfilt_ext3_init(void)
{
int rc;
- //rc = ext3_xattr_register();
fcb_cache = kmem_cache_create("fsfilt_ext3_fcb",
sizeof(struct fsfilt_cb_data), 0,
0, NULL, NULL);
CERROR("can't free fsfilt callback cache: count %d, rc = %d\n",
atomic_read(&fcb_cache_count), rc);
}
-
- //rc = ext3_xattr_unregister();
}
module_init(fsfilt_ext3_init);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff