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OpenCloudOS-Kernel
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Merge branch 'btrfs-3.0' into for-linus

This commit is contained in:
Chris Mason 2011-09-18 10:31:44 -04:00
parent b6fd41e29d dde820fbf7
commit 2cf4ce7c2a
2 changed files with 12 additions and 7 deletions
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5
fs/btrfs/inode.c
View File

@ -4125,7 +4125,8 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
/* special case for "." */
if (filp->f_pos == 0) {
over = filldir(dirent, ".", 1, 1, btrfs_ino(inode), DT_DIR);
over = filldir(dirent, ".", 1,
filp->f_pos, btrfs_ino(inode), DT_DIR);
if (over)
return 0;
filp->f_pos = 1;
@ -4134,7 +4135,7 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
if (filp->f_pos == 1) {
u64 pino = parent_ino(filp->f_path.dentry);
over = filldir(dirent, "..", 2,
2, pino, DT_DIR);
filp->f_pos, pino, DT_DIR);
if (over)
return 0;
filp->f_pos = 2;

14
fs/btrfs/ioctl.c
View File

@ -2177,6 +2177,11 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
if (!(src_file->f_mode & FMODE_READ))
goto out_fput;
/* don't make the dst file partly checksummed */
if ((BTRFS_I(src)->flags & BTRFS_INODE_NODATASUM) !=
(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM))
goto out_fput;
ret = -EISDIR;
if (S_ISDIR(src->i_mode) || S_ISDIR(inode->i_mode))
goto out_fput;
@ -2226,6 +2231,10 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
goto out_unlock;
}
/* truncate page cache pages from target inode range */
truncate_inode_pages_range(&inode->i_data, destoff,
PAGE_CACHE_ALIGN(destoff + len) - 1);
/* do any pending delalloc/csum calc on src, one way or
another, and lock file content */
while (1) {
@ -2242,10 +2251,6 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
btrfs_wait_ordered_range(src, off, len);
}
/* truncate page cache pages from target inode range */
truncate_inode_pages_range(&inode->i_data, off,
ALIGN(off + len, PAGE_CACHE_SIZE) - 1);
/* clone data */
key.objectid = btrfs_ino(src);
key.type = BTRFS_EXTENT_DATA_KEY;
@ -2442,7 +2447,6 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
if (endoff > inode->i_size)
btrfs_i_size_write(inode, endoff);
BTRFS_I(inode)->flags = BTRFS_I(src)->flags;
ret = btrfs_update_inode(trans, root, inode);
BUG_ON(ret);
btrfs_end_transaction(trans, root);