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path: root/fs/cifs/inode.c
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Diffstat (limited to 'fs/cifs/inode.c')
-rw-r--r--fs/cifs/inode.c74
1 files changed, 45 insertions, 29 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9ee5f304592f..a83b3a8ffaac 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -37,6 +37,7 @@
#include "cifs_fs_sb.h"
#include "cifs_unicode.h"
#include "fscache.h"
+#include "fs_context.h"
static void cifs_set_ops(struct inode *inode)
@@ -294,7 +295,7 @@ cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, FILE_UNIX_BASIC_INFO *info,
break;
}
- fattr->cf_uid = cifs_sb->mnt_uid;
+ fattr->cf_uid = cifs_sb->ctx->linux_uid;
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)) {
u64 id = le64_to_cpu(info->Uid);
if (id < ((uid_t)-1)) {
@@ -304,7 +305,7 @@ cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, FILE_UNIX_BASIC_INFO *info,
}
}
- fattr->cf_gid = cifs_sb->mnt_gid;
+ fattr->cf_gid = cifs_sb->ctx->linux_gid;
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)) {
u64 id = le64_to_cpu(info->Gid);
if (id < ((gid_t)-1)) {
@@ -333,8 +334,8 @@ cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb)
memset(fattr, 0, sizeof(*fattr));
fattr->cf_mode = S_IFDIR | S_IXUGO | S_IRWXU;
- fattr->cf_uid = cifs_sb->mnt_uid;
- fattr->cf_gid = cifs_sb->mnt_gid;
+ fattr->cf_uid = cifs_sb->ctx->linux_uid;
+ fattr->cf_gid = cifs_sb->ctx->linux_gid;
ktime_get_coarse_real_ts64(&fattr->cf_mtime);
fattr->cf_atime = fattr->cf_ctime = fattr->cf_mtime;
fattr->cf_nlink = 2;
@@ -644,8 +645,8 @@ smb311_posix_info_to_fattr(struct cifs_fattr *fattr, struct smb311_posix_qinfo *
}
/* else if reparse point ... TODO: add support for FIFO and blk dev; special file types */
- fattr->cf_uid = cifs_sb->mnt_uid; /* TODO: map uid and gid from SID */
- fattr->cf_gid = cifs_sb->mnt_gid;
+ fattr->cf_uid = cifs_sb->ctx->linux_uid; /* TODO: map uid and gid from SID */
+ fattr->cf_gid = cifs_sb->ctx->linux_gid;
cifs_dbg(FYI, "POSIX query info: mode 0x%x uniqueid 0x%llx nlink %d\n",
fattr->cf_mode, fattr->cf_uniqueid, fattr->cf_nlink);
@@ -685,25 +686,25 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks);
if (reparse_tag == IO_REPARSE_TAG_LX_SYMLINK) {
- fattr->cf_mode |= S_IFLNK | cifs_sb->mnt_file_mode;
+ fattr->cf_mode |= S_IFLNK | cifs_sb->ctx->file_mode;
fattr->cf_dtype = DT_LNK;
} else if (reparse_tag == IO_REPARSE_TAG_LX_FIFO) {
- fattr->cf_mode |= S_IFIFO | cifs_sb->mnt_file_mode;
+ fattr->cf_mode |= S_IFIFO | cifs_sb->ctx->file_mode;
fattr->cf_dtype = DT_FIFO;
} else if (reparse_tag == IO_REPARSE_TAG_AF_UNIX) {
- fattr->cf_mode |= S_IFSOCK | cifs_sb->mnt_file_mode;
+ fattr->cf_mode |= S_IFSOCK | cifs_sb->ctx->file_mode;
fattr->cf_dtype = DT_SOCK;
} else if (reparse_tag == IO_REPARSE_TAG_LX_CHR) {
- fattr->cf_mode |= S_IFCHR | cifs_sb->mnt_file_mode;
+ fattr->cf_mode |= S_IFCHR | cifs_sb->ctx->file_mode;
fattr->cf_dtype = DT_CHR;
} else if (reparse_tag == IO_REPARSE_TAG_LX_BLK) {
- fattr->cf_mode |= S_IFBLK | cifs_sb->mnt_file_mode;
+ fattr->cf_mode |= S_IFBLK | cifs_sb->ctx->file_mode;
fattr->cf_dtype = DT_BLK;
} else if (symlink) { /* TODO add more reparse tag checks */
fattr->cf_mode = S_IFLNK;
fattr->cf_dtype = DT_LNK;
} else if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
- fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode;
+ fattr->cf_mode = S_IFDIR | cifs_sb->ctx->dir_mode;
fattr->cf_dtype = DT_DIR;
/*
* Server can return wrong NumberOfLinks value for directories
@@ -712,7 +713,7 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
if (!tcon->unix_ext)
fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK;
} else {
- fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode;
+ fattr->cf_mode = S_IFREG | cifs_sb->ctx->file_mode;
fattr->cf_dtype = DT_REG;
/* clear write bits if ATTR_READONLY is set */
@@ -731,8 +732,8 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
}
}
- fattr->cf_uid = cifs_sb->mnt_uid;
- fattr->cf_gid = cifs_sb->mnt_gid;
+ fattr->cf_uid = cifs_sb->ctx->linux_uid;
+ fattr->cf_gid = cifs_sb->ctx->linux_gid;
}
static int
@@ -771,6 +772,7 @@ cifs_get_file_info(struct file *filp)
*/
rc = 0;
CIFS_I(inode)->time = 0;
+ goto cgfi_exit;
default:
goto cgfi_exit;
}
@@ -803,11 +805,15 @@ static __u64 simple_hashstr(const char *str)
* cifs_backup_query_path_info - SMB1 fallback code to get ino
*
* Fallback code to get file metadata when we don't have access to
- * @full_path (EACCES) and have backup creds.
+ * full_path (EACCES) and have backup creds.
*
- * @data will be set to search info result buffer
- * @resp_buf will be set to cifs resp buf and needs to be freed with
- * cifs_buf_release() when done with @data.
+ * @xid: transaction id used to identify original request in logs
+ * @tcon: information about the server share we have mounted
+ * @sb: the superblock stores info such as disk space available
+ * @full_path: name of the file we are getting the metadata for
+ * @resp_buf: will be set to cifs resp buf and needs to be freed with
+ * cifs_buf_release() when done with @data
+ * @data: will be set to search info result buffer
*/
static int
cifs_backup_query_path_info(int xid,
@@ -1386,8 +1392,8 @@ iget_no_retry:
set_nlink(inode, 2);
inode->i_op = &cifs_ipc_inode_ops;
inode->i_fop = &simple_dir_operations;
- inode->i_uid = cifs_sb->mnt_uid;
- inode->i_gid = cifs_sb->mnt_gid;
+ inode->i_uid = cifs_sb->ctx->linux_uid;
+ inode->i_gid = cifs_sb->ctx->linux_gid;
spin_unlock(&inode->i_lock);
} else if (rc) {
iget_failed(inode);
@@ -2192,11 +2198,11 @@ cifs_inode_needs_reval(struct inode *inode)
if (!lookupCacheEnabled)
return true;
- if (!cifs_sb->actimeo)
+ if (!cifs_sb->ctx->actimeo)
return true;
if (!time_in_range(jiffies, cifs_i->time,
- cifs_i->time + cifs_sb->actimeo))
+ cifs_i->time + cifs_sb->ctx->actimeo))
return true;
/* hardlinked files w/ noserverino get "special" treatment */
@@ -2228,7 +2234,9 @@ cifs_invalidate_mapping(struct inode *inode)
/**
* cifs_wait_bit_killable - helper for functions that are sleeping on bit locks
- * @word: long word containing the bit lock
+ *
+ * @key: currently unused
+ * @mode: the task state to sleep in
*/
static int
cifs_wait_bit_killable(struct wait_bit_key *key, int mode)
@@ -2401,7 +2409,7 @@ int cifs_getattr(const struct path *path, struct kstat *stat,
}
generic_fillattr(inode, stat);
- stat->blksize = cifs_sb->bsize;
+ stat->blksize = cifs_sb->ctx->bsize;
stat->ino = CIFS_I(inode)->uniqueid;
/* old CIFS Unix Extensions doesn't return create time */
@@ -2812,7 +2820,8 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) ||
(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID)) {
if (uid_valid(uid) || gid_valid(gid)) {
- rc = id_mode_to_cifs_acl(inode, full_path, NO_CHANGE_64,
+ mode = NO_CHANGE_64;
+ rc = id_mode_to_cifs_acl(inode, full_path, &mode,
uid, gid);
if (rc) {
cifs_dbg(FYI, "%s: Setting id failed with error: %d\n",
@@ -2833,13 +2842,20 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
rc = 0;
if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) ||
(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID)) {
- rc = id_mode_to_cifs_acl(inode, full_path, mode,
+ rc = id_mode_to_cifs_acl(inode, full_path, &mode,
INVALID_UID, INVALID_GID);
if (rc) {
cifs_dbg(FYI, "%s: Setting ACL failed with error: %d\n",
__func__, rc);
goto cifs_setattr_exit;
}
+
+ /*
+ * In case of CIFS_MOUNT_CIFS_ACL, we cannot support all modes.
+ * Pick up the actual mode bits that were set.
+ */
+ if (mode != attrs->ia_mode)
+ attrs->ia_mode = mode;
} else
if (((mode & S_IWUGO) == 0) &&
(cifsInode->cifsAttrs & ATTR_READONLY) == 0) {
@@ -2862,10 +2878,10 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
attrs->ia_mode &= ~(S_IALLUGO);
if (S_ISDIR(inode->i_mode))
attrs->ia_mode |=
- cifs_sb->mnt_dir_mode;
+ cifs_sb->ctx->dir_mode;
else
attrs->ia_mode |=
- cifs_sb->mnt_file_mode;
+ cifs_sb->ctx->file_mode;
}
} else if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM)) {
/* ignore mode change - ATTR_READONLY hasn't changed */