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| author | Steve French | 2015-06-24 10:17:02 +0200 |
|---|---|---|
| committer | Steve French | 2015-06-29 04:15:45 +0200 |
| commit | b3152e2c7aa9ad0c50085738d048fbf16d01d32d (patch) | |
| tree | 2015cead72bda343290909c2187cf3039171d53b /fs/cifs/smb2ops.c | |
| parent | Add Get/Set Integrity Information structure definitions (diff) | |
| download | kernel-qcow2-linux-b3152e2c7aa9ad0c50085738d048fbf16d01d32d.tar.gz kernel-qcow2-linux-b3152e2c7aa9ad0c50085738d048fbf16d01d32d.tar.xz kernel-qcow2-linux-b3152e2c7aa9ad0c50085738d048fbf16d01d32d.zip | |
Add ioctl to set integrity
set integrity increases reliability of files stored on SMB3 servers.
Add ioctl to allow setting this on files on SMB3 and later mounts.
Signed-off-by: Steve French <steve.french@primarydata.com>
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b1e9c0f1b24c..df91bcf56d67 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -862,6 +862,28 @@ smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, } static int +smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon, + struct cifsFileInfo *cfile) +{ + struct fsctl_set_integrity_information_req integr_info; + char *retbuf = NULL; + unsigned int ret_data_len; + + integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED); + integr_info.Flags = 0; + integr_info.Reserved = 0; + + return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, + FSCTL_SET_INTEGRITY_INFORMATION, + true /* is_fsctl */, (char *)&integr_info, + sizeof(struct fsctl_set_integrity_information_req), + (char **)&retbuf, + &ret_data_len); + +} + +static int smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, const char *path, struct cifs_sb_info *cifs_sb, struct cifs_fid *fid, __u16 search_flags, @@ -1671,6 +1693,7 @@ struct smb_version_operations smb30_operations = { .new_lease_key = smb2_new_lease_key, .generate_signingkey = generate_smb3signingkey, .calc_signature = smb3_calc_signature, + .set_integrity = smb3_set_integrity, .is_read_op = smb21_is_read_op, .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, @@ -1756,6 +1779,7 @@ struct smb_version_operations smb311_operations = { .new_lease_key = smb2_new_lease_key, .generate_signingkey = generate_smb3signingkey, .calc_signature = smb3_calc_signature, + .set_integrity = smb3_set_integrity, .is_read_op = smb21_is_read_op, .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, |