#include <linux/init.h>
#include <linux/module.h>
#include <linux/fs.h>
-#include <linux/jbd.h>
#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/quotaops.h>
+#ifdef HAVE_EXT4_LDISKFS
+#include <ext4/ext4.h>
+#include <ext4/ext4_jbd2.h>
+#else
+#include <linux/jbd.h>
#include <linux/ext3_fs.h>
#include <linux/ext3_jbd.h>
+#endif
#include <linux/version.h>
#include <linux/bitops.h>
#include <linux/quota.h>
#include <linux/quotaio_v1.h>
#include <linux/quotaio_v2.h>
+#if defined(HAVE_EXT3_XATTR_H)
#include <ext3/xattr.h>
+#else
+/* ext3 xattr.h not available in rh style kernel-devel rpm */
+extern int ext3_xattr_get(struct inode *, int, const char *, void *, size_t);
+extern int ext3_xattr_set_handle(handle_t *, struct inode *, int, const char *, const void *, size_t, int);
+#endif
#include <libcfs/libcfs.h>
#include <lustre_fsfilt.h>
#include <linux/lprocfs_status.h>
#ifdef EXT3_MULTIBLOCK_ALLOCATOR
+#ifdef HAVE_EXT4_LDISKFS
+#include <ext4/ext4_extents.h>
+#else
#include <linux/ext3_extents.h>
#endif
+#endif
#include "lustre_quota_fmt.h"
#define FSFILT_SINGLEDATA_TRANS_BLOCKS(sb) EXT3_SINGLEDATA_TRANS_BLOCKS
#endif
-#define fsfilt_ext3_journal_start(inode, nblocks) ext3_journal_start(inode, nblocks)
-#define fsfilt_ext3_journal_stop(handle) ext3_journal_stop(handle)
-
static cfs_mem_cache_t *fcb_cache;
struct fsfilt_cb_data {
#define EXT3_XATTR_INDEX_TRUSTED 4
#endif
+#ifdef HAVE_EXT4_LDISKFS
+#define fsfilt_log_start_commit(journal, tid) jbd2_log_start_commit(journal, tid)
+#define fsfilt_log_wait_commit(journal, tid) jbd2_log_wait_commit(journal, tid)
+#define fsfilt_journal_callback_set(handle, func, jcb) jbd2_journal_callback_set(handle, func, jcb)
+#else
+#define fsfilt_log_start_commit(journal, tid) log_start_commit(journal, tid)
+#define fsfilt_log_wait_commit(journal, tid) log_wait_commit(journal, tid)
+#define fsfilt_journal_callback_set(handle, func, jcb) journal_callback_set(handle, func, jcb)
+#define ext_pblock(ex) le32_to_cpu((ex)->ee_start)
+#define ext3_ext_store_pblock(ex, pblock) ((ex)->ee_start = cpu_to_le32(pblock))
+#define ext3_inode_bitmap(sb,desc) le32_to_cpu((desc)->bg_inode_bitmap)
+#endif
+
static char *fsfilt_ext3_get_label(struct super_block *sb)
{
return EXT3_SB(sb)->s_es->s_volume_name;
int err;
journal = EXT3_SB(sb)->s_journal;
- handle = journal_start(journal, 1);
+ handle = ext3_journal_start_sb(sb, 1);
if (IS_ERR(handle)) {
CERROR("can't start transaction\n");
return(PTR_ERR(handle));
err = ext3_journal_dirty_metadata(handle, EXT3_SB(sb)->s_sbh);
out:
- journal_stop(handle);
+ ext3_journal_stop(handle);
return(err);
}
}
#ifdef HAVE_DISK_INODE_VERSION
+
+static __u64 get_i_version(struct inode *inode)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)) && defined(HAVE_EXT4_LDISKFS)
+ return inode->i_version;
+#else
+ return EXT3_I(inode)->i_fs_version;
+#endif
+}
+
+static void set_i_version(struct inode *inode, __u64 new_version)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)) && defined(HAVE_EXT4_LDISKFS)
+ inode->i_version = new_version;
+#else
+ (EXT3_I(inode))->i_fs_version = new_version;
+#endif
+}
+
/*
* Get the 64-bit version for an inode.
*/
static __u64 fsfilt_ext3_get_version(struct inode *inode)
{
CDEBUG(D_INFO, "Get version "LPX64" for inode %lu\n",
- EXT3_I(inode)->i_fs_version, inode->i_ino);
- return EXT3_I(inode)->i_fs_version;
+ get_i_version(inode), inode->i_ino);
+ return get_i_version(inode);
}
/*
*/
static __u64 fsfilt_ext3_set_version(struct inode *inode, __u64 new_version)
{
- __u64 old_version = EXT3_I(inode)->i_fs_version;
+ __u64 old_version = get_i_version(inode);
CDEBUG(D_INFO, "Set version "LPX64" (old "LPX64") for inode %lu\n",
new_version, old_version, inode->i_ino);
- (EXT3_I(inode))->i_fs_version = new_version;
+ set_i_version(inode, new_version);
/* version is set after all inode operations are finished, so we should
* mark it dirty here */
inode->i_sb->s_op->dirty_inode(inode);
nblocks += 3;
/* no break */
case FSFILT_OP_CREATE: {
-#if defined(EXT3_EXTENTS_FL) && defined(EXT3_INDEX_FL)
+#if defined(EXT3_EXTENTS_FL) && defined(EXT3_INDEX_FL) && !defined(HAVE_EXT4_LDISKFS)
static int warned;
if (!warned) {
if (!test_opt(inode->i_sb, EXTENTS)) {
} else if (((EXT3_I(inode)->i_flags &
cpu_to_le32(EXT3_EXTENTS_FL | EXT3_INDEX_FL)) ==
cpu_to_le32(EXT3_EXTENTS_FL | EXT3_INDEX_FL))) {
- CWARN("extent-mapped directory found - contact "
+ CWARN("extent-mapped directory found with "
+ "ext3-based ldiskfs - contact "
"http://bugzilla.lustre.org/\n");
warned = 1;
}
journal_start:
LASSERTF(nblocks > 0, "can't start %d credit transaction\n", nblocks);
- handle = fsfilt_ext3_journal_start(inode, nblocks);
+ handle = ext3_journal_start(inode, nblocks);
if (!IS_ERR(handle))
LASSERT(current->journal_info == handle);
}
LASSERTF(needed > 0, "can't start %d credit transaction\n", needed);
- handle = fsfilt_ext3_journal_start(fso->fso_dentry->d_inode, needed);
+ handle = ext3_journal_start(fso->fso_dentry->d_inode, needed);
if (IS_ERR(handle)) {
CERROR("can't get handle for %d credits: rc = %ld\n", needed,
PTR_ERR(handle));
if (handle->h_buffer_credits > nblocks)
return 0;
- if (journal_extend(handle, nblocks) == 0)
+ if (ext3_journal_extend(handle, nblocks) == 0)
return 0;
ext3_mark_inode_dirty(handle, inode);
- return journal_restart(handle, nblocks);
+ return ext3_journal_restart(handle, nblocks);
}
static int fsfilt_ext3_commit(struct inode *inode, void *h, int force_sync)
if (force_sync)
handle->h_sync = 1; /* recovery likes this */
- rc = fsfilt_ext3_journal_stop(handle);
+ rc = ext3_journal_stop(handle);
return rc;
}
tid = transaction->t_tid;
/* we don't want to be blocked */
handle->h_sync = 0;
- rc = fsfilt_ext3_journal_stop(handle);
+ rc = ext3_journal_stop(handle);
if (rc) {
CERROR("error while stopping transaction: %d\n", rc);
return rc;
}
- log_start_commit(journal, tid);
+ fsfilt_log_start_commit(journal, tid);
*wait_handle = (void *) tid;
CDEBUG(D_INODE, "commit async: %lu\n", (unsigned long) tid);
if (unlikely(is_journal_aborted(journal)))
return -EIO;
- log_wait_commit(EXT3_JOURNAL(inode), tid);
+ fsfilt_log_wait_commit(EXT3_JOURNAL(inode), tid);
if (unlikely(is_journal_aborted(journal)))
return -EIO;
RETURN(rc);
}
-static int fsfilt_ext3_iocontrol(struct inode * inode, struct file *file,
+static int fsfilt_ext3_iocontrol(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
int rc = 0;
RETURN(-EPERM);
}
+#ifdef HAVE_EXT4_LDISKFS
+ /* ext4_ioctl does not have a inode argument */
+ if (inode->i_fop->unlocked_ioctl)
+ rc = inode->i_fop->unlocked_ioctl(file, cmd, arg);
+#else
if (inode->i_fop->ioctl)
rc = inode->i_fop->ioctl(inode, file, cmd, arg);
+#endif
else
RETURN(-ENOTTY);
const int blkbits = inode->i_sb->s_blocksize_bits;
const int blksize = inode->i_sb->s_blocksize;
- CDEBUG(D_EXT2, "reading "LPSZ" at dir %lu+%llu\n",
- count, inode->i_ino, *off);
+ CDEBUG(D_EXT2, "reading %lu at dir %lu+%llu\n",
+ (unsigned long)count, inode->i_ino, *off);
while (count > 0) {
struct buffer_head *bh;
fcb->cb_data = cb_data;
CDEBUG(D_EXT2, "set callback for last_rcvd: "LPD64"\n", last_rcvd);
- journal_callback_set(handle, fsfilt_ext3_cb_func,
- (struct journal_callback *)fcb);
+ fsfilt_journal_callback_set(handle, fsfilt_ext3_cb_func,
+ (struct journal_callback *)fcb);
return 0;
}
#ifdef EXT3_MULTIBLOCK_ALLOCATOR
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17))
-#define ext3_up_truncate_sem(inode) up(&EXT3_I(inode)->truncate_sem);
-#define ext3_down_truncate_sem(inode) down(&EXT3_I(inode)->truncate_sem);
+#define fsfilt_up_truncate_sem(inode) up(&EXT3_I(inode)->truncate_sem);
+#define fsfilt_down_truncate_sem(inode) down(&EXT3_I(inode)->truncate_sem);
#else
-#define ext3_up_truncate_sem(inode) mutex_unlock(&EXT3_I(inode)->truncate_mutex);
-#define ext3_down_truncate_sem(inode) mutex_lock(&EXT3_I(inode)->truncate_mutex);
+#ifdef HAVE_EXT4_LDISKFS
+#define fsfilt_up_truncate_sem(inode) up_write((&EXT4_I(inode)->i_data_sem));
+#define fsfilt_down_truncate_sem(inode) down_write((&EXT4_I(inode)->i_data_sem));
+#else
+#define fsfilt_up_truncate_sem(inode) mutex_unlock(&EXT3_I(inode)->truncate_mutex);
+#define fsfilt_down_truncate_sem(inode) mutex_lock(&EXT3_I(inode)->truncate_mutex);
+#endif
#endif
#ifndef EXT_ASSERT
#ifdef EXT3_EXT_HAS_NO_TREE
/* for kernels 2.6.18 and later */
+#ifdef HAVE_EXT4_LDISKFS
+#define EXT_GENERATION(inode) (EXT4_I(inode)->i_ext_generation)
+#else
+#define EXT_GENERATION(inode) ext_generation(inode)
+#endif
#define ext3_ext_base inode
#define ext3_ext_base2inode(inode) (inode)
#define EXT_DEPTH(inode) ext_depth(inode)
-#define EXT_GENERATION(inode) ext_generation(inode)
#define fsfilt_ext3_ext_walk_space(inode, block, num, cb, cbdata) \
ext3_ext_walk_space(inode, block, num, cb, cbdata);
#else
#endif
#include <linux/lustre_version.h>
-#if EXT3_EXT_MAGIC == 0xf301
-#define ee_start e_start
-#define ee_block e_block
-#define ee_len e_num
-#endif
-#ifndef EXT3_BB_MAX_BLOCKS
-#define ext3_mb_new_blocks(handle, inode, goal, count, aflags, err) \
- ext3_new_blocks(handle, inode, count, goal, err)
-#endif
struct bpointers {
unsigned long *blocks;
int create;
};
-static int ext3_ext_find_goal(struct inode *inode, struct ext3_ext_path *path,
- unsigned long block, int *aflags)
+static long ext3_ext_find_goal(struct inode *inode, struct ext3_ext_path *path,
+ unsigned long block, int *aflags)
{
struct ext3_inode_info *ei = EXT3_I(inode);
unsigned long bg_start;
depth = path->p_depth;
/* try to predict block placement */
- if ((ex = path[depth].p_ext)) {
-#if 0
- /* This prefers to eat into a contiguous extent
- * rather than find an extent that the whole
- * request will fit into. This can fragment data
- * block allocation and prevents our lovely 1M I/Os
- * from reaching the disk intact. */
- if (ex->ee_block + ex->ee_len == block)
- *aflags |= 1;
-#endif
- return ex->ee_start + (block - ex->ee_block);
- }
+ if ((ex = path[depth].p_ext))
+ return ext_pblock(ex) + (block - le32_to_cpu(ex->ee_block));
/* it looks index is empty
* try to find starting from index itself */
tgen = EXT_GENERATION(base);
count = ext3_ext_calc_credits_for_insert(base, path);
- ext3_up_truncate_sem(inode);
+ fsfilt_up_truncate_sem(inode);
- handle = fsfilt_ext3_journal_start(inode, count+EXT3_ALLOC_NEEDED+1);
+ handle = ext3_journal_start(inode, count+EXT3_ALLOC_NEEDED+1);
if (IS_ERR(handle)) {
- ext3_down_truncate_sem(inode);
+ fsfilt_down_truncate_sem(inode);
return PTR_ERR(handle);
}
- ext3_down_truncate_sem(inode);
+ fsfilt_down_truncate_sem(inode);
if (tgen != EXT_GENERATION(base)) {
/* the tree has changed. so path can be invalid at moment */
- fsfilt_ext3_journal_stop(handle);
+ ext3_journal_stop(handle);
return EXT_REPEAT;
}
EXT_ASSERT(count <= cex->ec_len);
/* insert new extent */
- nex.ee_block = cex->ec_block;
- nex.ee_start = pblock;
- nex.ee_len = count;
+ nex.ee_block = cpu_to_le32(cex->ec_block);
+ ext3_ext_store_pblock(&nex, pblock);
+ nex.ee_len = cpu_to_le16(count);
err = ext3_ext_insert_extent(handle, base, path, &nex);
if (err) {
/* free data blocks we just allocated */
#ifdef EXT3_MB_HINT_GROUP_ALLOC
ext3_mb_discard_inode_preallocations(inode);
#endif
- ext3_free_blocks(handle, inode, nex.ee_start, nex.ee_len, 0);
+ ext3_free_blocks(handle, inode, ext_pblock(&nex),
+ cpu_to_le16(nex.ee_len), 0);
goto out;
}
* we are asking ext3_ext_walk_space() to continue
* scaning after that block
*/
- cex->ec_len = nex.ee_len;
- cex->ec_start = nex.ee_start;
- BUG_ON(nex.ee_len == 0);
- BUG_ON(nex.ee_block != cex->ec_block);
+ cex->ec_len = le16_to_cpu(nex.ee_len);
+ cex->ec_start = ext_pblock(&nex);
+ BUG_ON(le16_to_cpu(nex.ee_len) == 0);
+ BUG_ON(le32_to_cpu(nex.ee_block) != cex->ec_block);
out:
- fsfilt_ext3_journal_stop(handle);
+ ext3_journal_stop(handle);
map:
if (err >= 0) {
/* map blocks */
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",
+ CERROR("current extent: %u/%u/%llu %d\n",
cex->ec_block, cex->ec_len,
- cex->ec_start, cex->ec_type);
+ (unsigned long long)cex->ec_start,
+ cex->ec_type);
}
i = 0;
if (cex->ec_block < bp->start)
bp.init_num = bp.num = num;
bp.create = create;
- ext3_down_truncate_sem(inode);
+ fsfilt_down_truncate_sem(inode);
err = fsfilt_ext3_ext_walk_space(base, block, num,
ext3_ext_new_extent_cb, &bp);
ext3_ext_invalidate_cache(base);
- ext3_up_truncate_sem(inode);
+ fsfilt_up_truncate_sem(inode);
return err;
}
block_count = (*offs & (blocksize - 1)) + bufsize;
block_count = (block_count + blocksize - 1) >> inode->i_blkbits;
- handle = fsfilt_ext3_journal_start(inode,
+ handle = ext3_journal_start(inode,
block_count * FSFILT_DATA_TRANS_BLOCKS(inode->i_sb) + 2);
if (IS_ERR(handle)) {
CERROR("can't start transaction for %d blocks (%d bytes)\n",
if (!err && force_sync)
handle->h_sync = 1; /* recovery likes this */
- fsfilt_ext3_journal_stop(handle);
+ ext3_journal_stop(handle);
return err;
}
return gdp + desc;
}
+
+#ifndef HAVE_EXT4_LDISKFS
static inline struct buffer_head *
-read_inode_bitmap(struct super_block *sb, unsigned long group)
+ext3_read_inode_bitmap(struct super_block *sb, unsigned long group)
{
struct ext3_group_desc *desc;
struct buffer_head *bh;
desc = get_group_desc(sb, group);
- bh = sb_bread(sb, le32_to_cpu(desc->bg_inode_bitmap));
-
+ bh = sb_bread(sb, ext3_inode_bitmap(sb, desc));
return bh;
}
+#endif
static inline struct inode *ext3_iget_inuse(struct super_block *sb,
struct buffer_head *bitmap_bh,
{
struct inode *inode = NULL;
+
if (ext3_test_bit(index, bitmap_bh->b_data))
+#ifdef HAVE_EXT4_LDISKFS
+ inode = ext4_iget(sb, ino);
+ if (IS_ERR(inode))
+ /* Newer kernels return an error instead of a NULL pointer */
+ inode = NULL;
+#else
inode = iget(sb, ino);
-
- if (IS_ERR(inode))
- /* Newer kernels return an error instead of a NULL pointer */
- inode = NULL;
+#endif
return inode;
}
/* check quota and update in hash */
for (group = 0; group < sbi->s_groups_count; group++) {
+ struct ext3_group_desc *desc;
+ desc = get_group_desc(sb, group);
+ if (!desc)
+ GOTO(out, -EIO);
+
+ spin_lock(sb_bgl_lock(sbi, group));
+ if (desc->bg_flags & cpu_to_le16(EXT3_BG_INODE_UNINIT)) {
+ /* no inode in use in this group, just skip it */
+ spin_unlock(sb_bgl_lock(sbi, group));
+ continue;
+ }
+ spin_unlock(sb_bgl_lock(sbi, group));
+
ino = group * sbi->s_inodes_per_group + 1;
- bitmap_bh = read_inode_bitmap(sb, group);
+ bitmap_bh = ext3_read_inode_bitmap(sb, group);
if (!bitmap_bh) {
- CERROR("read_inode_bitmap group %d failed", group);
+ CERROR("ext3_read_inode_bitmap group %d failed", group);
GOTO(out, rc = -EIO);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff