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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 10:27:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 10:27:28 -0800
commitb2034d474b7e1e8578bd5c2977024b51693269d9 (patch)
treee43969bf7c2ba89884c2580f56978826f1014520 /fs/ext4
parent27d189c02ba25851973c8582e419c0bded9f7e5b (diff)
parent924241575a85249b9d410e38f5b2fcad9035e45c (diff)
downloadop-kernel-dev-b2034d474b7e1e8578bd5c2977024b51693269d9.zip
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (41 commits) fs: add documentation on fallocate hole punching Gfs2: fail if we try to use hole punch Btrfs: fail if we try to use hole punch Ext4: fail if we try to use hole punch Ocfs2: handle hole punching via fallocate properly XFS: handle hole punching via fallocate properly fs: add hole punching to fallocate vfs: pass struct file to do_truncate on O_TRUNC opens (try #2) fix signedness mess in rw_verify_area() on 64bit architectures fs: fix kernel-doc for dcache::prepend_path fs: fix kernel-doc for dcache::d_validate sanitize ecryptfs ->mount() switch afs move internal-only parts of ncpfs headers to fs/ncpfs switch ncpfs switch 9p pass default dentry_operations to mount_pseudo() switch hostfs switch affs switch configfs ...
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/extents.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d202d76..c4068f6 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3644,6 +3644,10 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
struct ext4_map_blocks map;
unsigned int credits, blkbits = inode->i_blkbits;
+ /* We only support the FALLOC_FL_KEEP_SIZE mode */
+ if (mode && (mode != FALLOC_FL_KEEP_SIZE))
+ return -EOPNOTSUPP;
+
/*
* currently supporting (pre)allocate mode for extent-based
* files _only_
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