diff options
Diffstat (limited to 'fs/cifs/cifsfs.c')
| -rw-r--r-- | fs/cifs/cifsfs.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 0a4a4d7d407e..155347e190f9 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -207,6 +207,19 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf) return 0; } +static long cifs_fallocate(struct file *file, int mode, loff_t off, loff_t len) +{ + struct super_block *sb = file->f_path.dentry->d_sb; + struct cifs_sb_info *cifs_sb = CIFS_SB(sb); + struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); + struct TCP_Server_Info *server = tcon->ses->server; + + if (server->ops->fallocate) + return server->ops->fallocate(file, tcon, mode, off, len); + + return -EOPNOTSUPP; +} + static int cifs_permission(struct inode *inode, int mask) { struct cifs_sb_info *cifs_sb; @@ -909,6 +922,7 @@ const struct file_operations cifs_file_ops = { .unlocked_ioctl = cifs_ioctl, #endif /* CONFIG_CIFS_POSIX */ .setlease = cifs_setlease, + .fallocate = cifs_fallocate, }; const struct file_operations cifs_file_strict_ops = { @@ -928,6 +942,7 @@ const struct file_operations cifs_file_strict_ops = { .unlocked_ioctl = cifs_ioctl, #endif /* CONFIG_CIFS_POSIX */ .setlease = cifs_setlease, + .fallocate = cifs_fallocate, }; const struct file_operations cifs_file_direct_ops = { @@ -948,6 +963,7 @@ const struct file_operations cifs_file_direct_ops = { #endif /* CONFIG_CIFS_POSIX */ .llseek = cifs_llseek, .setlease = cifs_setlease, + .fallocate = cifs_fallocate, }; const struct file_operations cifs_file_nobrl_ops = { @@ -966,6 +982,7 @@ const struct file_operations cifs_file_nobrl_ops = { .unlocked_ioctl = cifs_ioctl, #endif /* CONFIG_CIFS_POSIX */ .setlease = cifs_setlease, + .fallocate = cifs_fallocate, }; const struct file_operations cifs_file_strict_nobrl_ops = { @@ -984,6 +1001,7 @@ const struct file_operations cifs_file_strict_nobrl_ops = { .unlocked_ioctl = cifs_ioctl, #endif /* CONFIG_CIFS_POSIX */ .setlease = cifs_setlease, + .fallocate = cifs_fallocate, }; const struct file_operations cifs_file_direct_nobrl_ops = { @@ -1003,6 +1021,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = { #endif /* CONFIG_CIFS_POSIX */ .llseek = cifs_llseek, .setlease = cifs_setlease, + .fallocate = cifs_fallocate, }; const struct file_operations cifs_dir_ops = { |