Commit 2d39f50c authored by Ronnie Sahlberg's avatar Ronnie Sahlberg Committed by Steve French
Browse files

cifs: move update of flags into a separate function 



This function will set/clear flags that can be changed during mount or remount

Signed-off-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 51acd208

fs/cifs/connect.c

+3 −71
Original line number Diff line number Diff line
@@ -2727,61 +2727,10 @@ int cifs_setup_cifs_sb(struct cifs_sb_info *cifs_sb) 
	}

	ctx->local_nls = cifs_sb->local_nls;



	if (ctx->nodfs)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_DFS;

	if (ctx->noperm)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;

	if (ctx->setuids)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SET_UID;

	if (ctx->setuidfromacl)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UID_FROM_ACL;

	if (ctx->server_ino)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SERVER_INUM;

	if (ctx->remap)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SFM_CHR;

	if (ctx->sfu_remap)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR;

	if (ctx->no_xattr)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR;

	if (ctx->sfu_emul)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL;

	if (ctx->nobrl)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL;

	if (ctx->nohandlecache)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_HANDLE_CACHE;

	if (ctx->nostrictsync)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOSSYNC;

	if (ctx->mand_lock)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOPOSIXBRL;

	if (ctx->rwpidforward)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD;

	if (ctx->mode_ace)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MODE_FROM_SID;

	if (ctx->cifs_acl)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;

	if (ctx->backupuid_specified) {

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPUID;

	}

	if (ctx->backupgid_specified) {

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPGID;

	}

	if (ctx->override_uid)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID;

	if (ctx->override_gid)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID;

	if (ctx->dynperm)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;

	if (ctx->fsc)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_FSCACHE;

	if (ctx->multiuser)

		cifs_sb->mnt_cifs_flags |= (CIFS_MOUNT_MULTIUSER |

					    CIFS_MOUNT_NO_PERM);

	if (ctx->strict_io)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_STRICT_IO;

	if (ctx->direct_io) {

	smb3_update_mnt_flags(cifs_sb);



	if (ctx->direct_io)

		cifs_dbg(FYI, "mounting share using direct i/o\n");

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;

	}

	if (ctx->cache_ro) {

		cifs_dbg(VFS, "mounting share with read only caching. Ensure that the share will not be modified while in use.\n");

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RO_CACHE;
@@ -2790,23 +2739,6 @@ int cifs_setup_cifs_sb(struct cifs_sb_info *cifs_sb) 
		cifs_sb->mnt_cifs_flags |= (CIFS_MOUNT_RO_CACHE |

					    CIFS_MOUNT_RW_CACHE);

	}

	if (ctx->mfsymlinks) {

		if (ctx->sfu_emul) {

			/*

			 * Our SFU ("Services for Unix" emulation does not allow

			 * creating symlinks but does allow reading existing SFU

			 * symlinks (it does allow both creating and reading SFU

			 * style mknod and FIFOs though). When "mfsymlinks" and

			 * "sfu" are both enabled at the same time, it allows

			 * reading both types of symlinks, but will only create

			 * them with mfsymlinks format. This allows better

			 * Apple compatibility (probably better for Samba too)

			 * while still recognizing old Windows style symlinks.

			 */

			cifs_dbg(VFS, "mount options mfsymlinks and sfu both enabled\n");

		}

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MF_SYMLINKS;

	}



	if ((ctx->cifs_acl) && (ctx->dynperm))

		cifs_dbg(VFS, "mount option dynperm ignored if cifsacl mount option supported\n");

fs/cifs/fs_context.c

+155 −0
Original line number Diff line number Diff line
@@ -1363,3 +1363,158 @@ smb3_cleanup_fs_context(struct smb3_fs_context *ctx) 
	smb3_cleanup_fs_context_contents(ctx);

	kfree(ctx);

}



void smb3_update_mnt_flags(struct cifs_sb_info *cifs_sb)

{

	struct smb3_fs_context *ctx = cifs_sb->ctx;



	if (ctx->nodfs)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_DFS;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_NO_DFS;



	if (ctx->noperm)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_NO_PERM;



	if (ctx->setuids)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SET_UID;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SET_UID;



	if (ctx->setuidfromacl)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UID_FROM_ACL;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_UID_FROM_ACL;



	if (ctx->server_ino)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SERVER_INUM;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM;



	if (ctx->remap)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SFM_CHR;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_MAP_SFM_CHR;



	if (ctx->sfu_remap)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_MAP_SPECIAL_CHR;



	if (ctx->no_xattr)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_NO_XATTR;



	if (ctx->sfu_emul)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_UNX_EMUL;



	if (ctx->nobrl)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_NO_BRL;



	if (ctx->nohandlecache)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_HANDLE_CACHE;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_NO_HANDLE_CACHE;



	if (ctx->nostrictsync)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOSSYNC;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_NOSSYNC;



	if (ctx->mand_lock)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOPOSIXBRL;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_NOPOSIXBRL;



	if (ctx->rwpidforward)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_RWPIDFORWARD;



	if (ctx->mode_ace)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MODE_FROM_SID;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_MODE_FROM_SID;



	if (ctx->cifs_acl)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_CIFS_ACL;



	if (ctx->backupuid_specified)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPUID;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_CIFS_BACKUPUID;



	if (ctx->backupgid_specified)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPGID;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_CIFS_BACKUPGID;



	if (ctx->override_uid)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_OVERR_UID;



	if (ctx->override_gid)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_OVERR_GID;



	if (ctx->dynperm)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_DYNPERM;



	if (ctx->fsc)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_FSCACHE;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_FSCACHE;



	if (ctx->multiuser)

		cifs_sb->mnt_cifs_flags |= (CIFS_MOUNT_MULTIUSER |

					    CIFS_MOUNT_NO_PERM);

	else

		cifs_sb->mnt_cifs_flags &= ~(CIFS_MOUNT_MULTIUSER |

					     CIFS_MOUNT_NO_PERM);



	if (ctx->strict_io)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_STRICT_IO;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_STRICT_IO;



	if (ctx->direct_io)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_DIRECT_IO;



	if (ctx->mfsymlinks)

		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MF_SYMLINKS;

	else

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_MF_SYMLINKS;

	if (ctx->mfsymlinks) {

		if (ctx->sfu_emul) {

			/*

			 * Our SFU ("Services for Unix" emulation does not allow

			 * creating symlinks but does allow reading existing SFU

			 * symlinks (it does allow both creating and reading SFU

			 * style mknod and FIFOs though). When "mfsymlinks" and

			 * "sfu" are both enabled at the same time, it allows

			 * reading both types of symlinks, but will only create

			 * them with mfsymlinks format. This allows better

			 * Apple compatibility (probably better for Samba too)

			 * while still recognizing old Windows style symlinks.

			 */

			cifs_dbg(VFS, "mount options mfsymlinks and sfu both enabled\n");

		}

	}



	return;

}

fs/cifs/fs_context.h

+1 −0
Original line number Diff line number Diff line
@@ -266,5 +266,6 @@ static inline struct smb3_fs_context *smb3_fc2context(const struct fs_context *f 
}



extern int smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx);

extern void smb3_update_mnt_flags(struct cifs_sb_info *cifs_sb);



#endif

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