diff options
| author | David S. Miller <davem@davemloft.net> | 2014-05-12 21:19:14 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-12 21:19:14 +0400 |
| commit | 5f013c9bc70214dcacd5fbed5a06c217d6ff9c59 (patch) | |
| tree | 34c3a633000e03bca57d0ce55d8759f86edecc03 /fs/open.c | |
| parent | 51ee42efa0829cf9e46f8e1c0ab7a9ab6facf3f2 (diff) | |
| parent | 1a466ae96e9f749d02a73315a3e66375e61a61dd (diff) | |
| download | linux-5f013c9bc70214dcacd5fbed5a06c217d6ff9c59.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/altera/altera_sgdma.c
net/netlink/af_netlink.c
net/sched/cls_api.c
net/sched/sch_api.c
The netlink conflict dealt with moving to netlink_capable() and
netlink_ns_capable() in the 'net' tree vs. supporting 'tc' operations
in non-init namespaces. These were simple transformations from
netlink_capable to netlink_ns_capable.
The Altera driver conflict was simply code removal overlapping some
void pointer cast cleanups in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/fs/open.c b/fs/open.c index 3d30eb1fc95e..9d64679cec73 100644 --- a/fs/open.c +++ b/fs/open.c @@ -254,17 +254,22 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) return -EBADF; /* - * It's not possible to punch hole or perform collapse range - * on append only file + * We can only allow pure fallocate on append only files */ - if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE) - && IS_APPEND(inode)) + if ((mode & ~FALLOC_FL_KEEP_SIZE) && IS_APPEND(inode)) return -EPERM; if (IS_IMMUTABLE(inode)) return -EPERM; /* + * We can not allow to do any fallocate operation on an active + * swapfile + */ + if (IS_SWAPFILE(inode)) + ret = -ETXTBSY; + + /* * Revalidate the write permissions, in case security policy has * changed since the files were opened. */ @@ -286,14 +291,6 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0)) return -EFBIG; - /* - * There is no need to overlap collapse range with EOF, in which case - * it is effectively a truncate operation - */ - if ((mode & FALLOC_FL_COLLAPSE_RANGE) && - (offset + len >= i_size_read(inode))) - return -EINVAL; - if (!file->f_op->fallocate) return -EOPNOTSUPP; |