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-rw-r--r--fs/ext4/extents.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 4bdd160854eb..63a75810b7c3 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3627,14 +3627,15 @@ static void ext4_falloc_update_inode(struct inode *inode,
3627} 3627}
3628 3628
3629/* 3629/*
3630 * preallocate space for a file. This implements ext4's fallocate inode 3630 * preallocate space for a file. This implements ext4's fallocate file
3631 * operation, which gets called from sys_fallocate system call. 3631 * operation, which gets called from sys_fallocate system call.
3632 * For block-mapped files, posix_fallocate should fall back to the method 3632 * For block-mapped files, posix_fallocate should fall back to the method
3633 * of writing zeroes to the required new blocks (the same behavior which is 3633 * of writing zeroes to the required new blocks (the same behavior which is
3634 * expected for file systems which do not support fallocate() system call). 3634 * expected for file systems which do not support fallocate() system call).
3635 */ 3635 */
3636long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len) 3636long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
3637{ 3637{
3638 struct inode *inode = file->f_path.dentry->d_inode;
3638 handle_t *handle; 3639 handle_t *handle;
3639 loff_t new_size; 3640 loff_t new_size;
3640 unsigned int max_blocks; 3641 unsigned int max_blocks;
@@ -3655,10 +3656,6 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
3655 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) 3656 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
3656 return -EOPNOTSUPP; 3657 return -EOPNOTSUPP;
3657 3658
3658 /* preallocation to directories is currently not supported */
3659 if (S_ISDIR(inode->i_mode))
3660 return -ENODEV;
3661
3662 map.m_lblk = offset >> blkbits; 3659 map.m_lblk = offset >> blkbits;
3663 /* 3660 /*
3664 * We can't just convert len to max_blocks because 3661 * We can't just convert len to max_blocks because