diff options
author | Ingo Molnar <mingo@kernel.org> | 2016-09-30 10:54:46 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2016-09-30 10:54:46 +0200 |
commit | 0b429e18c284af3e7a39f8ec44d95116c473fef8 (patch) | |
tree | 7957f57dc70c95a32f71896c9a526ca88b5517ad /fs | |
parent | d32cdbfb0ba319e44f75437afde868f7cafdc467 (diff) | |
parent | 53061afee43bc5041b67a45b6d793e7afdcf9ca7 (diff) | |
download | linux-0b429e18c284af3e7a39f8ec44d95116c473fef8.tar.bz2 |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/extent-tree.c | 9 | ||||
-rw-r--r-- | fs/btrfs/ioctl.c | 12 | ||||
-rw-r--r-- | fs/configfs/file.c | 1 |
3 files changed, 16 insertions, 6 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 38c2df84cabd..665da8f66ff1 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4271,13 +4271,10 @@ int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len) if (ret < 0) return ret; - /* - * Use new btrfs_qgroup_reserve_data to reserve precious data space - * - * TODO: Find a good method to avoid reserve data space for NOCOW - * range, but don't impact performance on quota disable case. - */ + /* Use new btrfs_qgroup_reserve_data to reserve precious data space. */ ret = btrfs_qgroup_reserve_data(inode, start, len); + if (ret) + btrfs_free_reserved_data_space_noquota(inode, start, len); return ret; } diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index b2a2da5893af..7fd939bfbd99 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1634,6 +1634,9 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file, int namelen; int ret = 0; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + ret = mnt_want_write_file(file); if (ret) goto out; @@ -1691,6 +1694,9 @@ static noinline int btrfs_ioctl_snap_create(struct file *file, struct btrfs_ioctl_vol_args *vol_args; int ret; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); @@ -1714,6 +1720,9 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file, bool readonly = false; struct btrfs_qgroup_inherit *inherit = NULL; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); @@ -2357,6 +2366,9 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, int ret; int err = 0; + if (!S_ISDIR(dir->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); diff --git a/fs/configfs/file.c b/fs/configfs/file.c index c30cf49b69d2..2c6312db8516 100644 --- a/fs/configfs/file.c +++ b/fs/configfs/file.c @@ -333,6 +333,7 @@ configfs_write_bin_file(struct file *file, const char __user *buf, if (bin_attr->cb_max_size && *ppos + count > bin_attr->cb_max_size) { len = -EFBIG; + goto out; } tbuf = vmalloc(*ppos + count); |