struct inode *inode, struct ext4_ext_path *path)
{
int err;
+
+ WARN_ON(!rwsem_is_locked(&EXT4_I(inode)->i_data_sem));
if (path->p_bh) {
ext4_extent_block_csum_set(inode, ext_block_hdr(path->p_bh));
/* path points to block */
brelse(path[1].p_bh);
ext4_free_blocks(handle, inode, NULL, blk, 1,
- EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET |
- EXT4_FREE_BLOCKS_RESERVE);
+ EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET);
}
/*
fix_extent_len:
ex->ee_len = orig_ex.ee_len;
- ext4_ext_dirty(handle, inode, path + depth);
+ ext4_ext_dirty(handle, inode, path + path->p_depth);
return err;
}
loff_t new_size = 0;
int ret = 0;
int flags;
+ int credits;
int partial;
loff_t start, end;
ext4_lblk_t lblk;
if (ret)
goto out_dio;
}
-
- handle = ext4_journal_start(inode, EXT4_HT_MISC, 4);
+ /*
+ * In worst case we have to writeout two nonadjacent unwritten
+ * blocks and update the inode
+ */
+ credits = (2 * ext4_ext_index_trans_blocks(inode, 2)) + 1;
+ if (ext4_should_journal_data(inode))
+ credits += 2;
+ handle = ext4_journal_start(inode, EXT4_HT_MISC, credits);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
ext4_std_error(inode->i_sb, ret);
}
inode->i_mtime = inode->i_ctime = ext4_current_time(inode);
-
if (new_size) {
- if (new_size > i_size_read(inode))
- i_size_write(inode, new_size);
- if (new_size > EXT4_I(inode)->i_disksize)
- ext4_update_i_disksize(inode, new_size);
+ ext4_update_inode_size(inode, new_size);
} else {
/*
* Mark that we allocate beyond EOF so the subsequent truncate
int ret = 0;
int flags;
ext4_lblk_t lblk;
- struct timespec tv;
unsigned int blkbits = inode->i_blkbits;
/* Return error if mode is not supported */
if (IS_ERR(handle))
goto out;
- tv = inode->i_ctime = ext4_current_time(inode);
+ inode->i_ctime = ext4_current_time(inode);
if (new_size) {
- if (new_size > i_size_read(inode)) {
- i_size_write(inode, new_size);
- inode->i_mtime = tv;
- }
- if (new_size > EXT4_I(inode)->i_disksize)
- ext4_update_i_disksize(inode, new_size);
+ if (ext4_update_inode_size(inode, new_size) & 0x1)
+ inode->i_mtime = inode->i_ctime;
} else {
/*
* Mark that we allocate beyond EOF so the subsequent truncate
int ret;
/* Collapse range works only on fs block size aligned offsets. */
- if (offset & (EXT4_BLOCK_SIZE(sb) - 1) ||
- len & (EXT4_BLOCK_SIZE(sb) - 1))
+ if (offset & (EXT4_CLUSTER_SIZE(sb) - 1) ||
+ len & (EXT4_CLUSTER_SIZE(sb) - 1))
return -EINVAL;
if (!S_ISREG(inode->i_mode))
return -EINVAL;
- if (EXT4_SB(inode->i_sb)->s_cluster_ratio > 1)
- return -EOPNOTSUPP;
-
trace_ext4_collapse_range(inode, offset, len);
punch_start = offset >> EXT4_BLOCK_SIZE_BITS(sb);