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| author | Theodore Ts'o <tytso@mit.edu> | 2011-09-09 18:36:51 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-09-09 18:36:51 -0400 |
| commit | bab08ab9646288f1b0b72a7aaeecdff94bd62c18 (patch) | |
| tree | e301377f1ce9093a44b2cfb331439e15d79789ed /fs/ext4/inode.c | |
| parent | 281b59959707dfae03ce038cdf231bf4904e170c (diff) | |
| download | blackbird-op-linux-bab08ab9646288f1b0b72a7aaeecdff94bd62c18.tar.gz blackbird-op-linux-bab08ab9646288f1b0b72a7aaeecdff94bd62c18.zip | |
ext4: enforce bigalloc restrictions (e.g., no online resizing, etc.)
At least initially if the bigalloc feature is enabled, we will not
support non-extent mapped inodes, online resizing, online defrag, or
the FITRIM ioctl. This simplifies the initial implementation.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 6ecc93979e48..904a9a623dab 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3358,6 +3358,11 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length) return -ENOTSUPP; } + if (EXT4_SB(inode->i_sb)->s_cluster_ratio > 1) { + /* TODO: Add support for bigalloc file systems */ + return -ENOTSUPP; + } + return ext4_ext_punch_hole(file, offset, length); } |
