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Merge branch 'misc-4.6' into for-chris-4.6 

# Conflicts:
#	fs/btrfs/file.c
This commit is contained in:
David Sterba 2016-02-26 15:38:34 +01:00
parent f004fae0cf f7e98a7fff
commit fa695b01bc
5 changed files with 20 additions and 31 deletions
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2
fs/btrfs/ctree.h
View File

@ -2291,7 +2291,7 @@ struct btrfs_ioctl_defrag_range_args {
#define BTRFS_MOUNT_NOLOGREPLAY (1 << 27)
#define BTRFS_DEFAULT_COMMIT_INTERVAL (30)
#define BTRFS_DEFAULT_MAX_INLINE (8192)
#define BTRFS_DEFAULT_MAX_INLINE (2048)
#define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
#define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)

40
fs/btrfs/file.c
View File

@ -1533,29 +1533,25 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
reserve_bytes = round_up(write_bytes + sector_offset,
root->sectorsize);
if (BTRFS_I(inode)->flags & (BTRFS_INODE_NODATACOW |
BTRFS_INODE_PREALLOC)) {
ret = check_can_nocow(inode, pos, &write_bytes);
if (ret < 0)
break;
if (ret > 0) {
/*
* For nodata cow case, no need to reserve
* data space.
*/
only_release_metadata = true;
/*
* our prealloc extent may be smaller than
* write_bytes, so scale down.
*/
num_pages = DIV_ROUND_UP(write_bytes + offset,
PAGE_CACHE_SIZE);
reserve_bytes = round_up(write_bytes
+ sector_offset,
root->sectorsize);
goto reserve_metadata;
}
if ((BTRFS_I(inode)->flags & (BTRFS_INODE_NODATACOW |
BTRFS_INODE_PREALLOC)) &&
check_can_nocow(inode, pos, &write_bytes) > 0) {
/*
* For nodata cow case, no need to reserve
* data space.
*/
only_release_metadata = true;
/*
* our prealloc extent may be smaller than
* write_bytes, so scale down.
*/
num_pages = DIV_ROUND_UP(write_bytes + offset,
PAGE_CACHE_SIZE);
reserve_bytes = round_up(write_bytes + sector_offset,
root->sectorsize);
goto reserve_metadata;
}
ret = btrfs_check_data_free_space(inode, pos, write_bytes);
if (ret < 0)
break;

2
fs/btrfs/ioctl.c
View File

@ -2093,8 +2093,6 @@ static noinline int search_ioctl(struct inode *inode,
key.offset = (u64)-1;
root = btrfs_read_fs_root_no_name(info, &key);
if (IS_ERR(root)) {
btrfs_err(info, "could not find root %llu",
sk->tree_id);
btrfs_free_path(path);
return -ENOENT;
}

6
fs/btrfs/tests/btrfs-tests.c
View File

@ -189,12 +189,6 @@ btrfs_alloc_dummy_block_group(unsigned long length)
kfree(cache);
return NULL;
}
cache->fs_info = btrfs_alloc_dummy_fs_info();
if (!cache->fs_info) {
kfree(cache->free_space_ctl);
kfree(cache);
return NULL;
}
cache->key.objectid = 0;
cache->key.offset = length;

1
fs/btrfs/tests/free-space-tree-tests.c
View File

@ -485,6 +485,7 @@ static int run_test(test_func_t test_func, int bitmaps)
cache->bitmap_low_thresh = 0;
cache->bitmap_high_thresh = (u32)-1;
cache->needs_free_space = 1;
cache->fs_info = root->fs_info;
btrfs_init_dummy_trans(&trans);