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-rw-r--r--Documentation/filesystems/mount_api.rst38
1 files changed, 18 insertions, 20 deletions
diff --git a/Documentation/filesystems/mount_api.rst b/Documentation/filesystems/mount_api.rst
index 9aaf6ef75eb5..c99ab1f7fea4 100644
--- a/Documentation/filesystems/mount_api.rst
+++ b/Documentation/filesystems/mount_api.rst
@@ -506,8 +506,16 @@ returned.
* ::
+ int vfs_parse_fs_qstr(struct fs_context *fc, const char *key,
+ const struct qstr *value);
+
+ A wrapper around vfs_parse_fs_param() that copies the value string it is
+ passed.
+
+ * ::
+
int vfs_parse_fs_string(struct fs_context *fc, const char *key,
- const char *value, size_t v_size);
+ const char *value);
A wrapper around vfs_parse_fs_param() that copies the value string it is
passed.
@@ -645,6 +653,8 @@ The members are as follows:
fs_param_is_blockdev Blockdev path * Needs lookup
fs_param_is_path Path * Needs lookup
fs_param_is_fd File descriptor result->int_32
+ fs_param_is_uid User ID (u32) result->uid
+ fs_param_is_gid Group ID (u32) result->gid
======================= ======================= =====================
Note that if the value is of fs_param_is_bool type, fs_parse() will try
@@ -669,7 +679,6 @@ The members are as follows:
fsparam_bool() fs_param_is_bool
fsparam_u32() fs_param_is_u32
fsparam_u32oct() fs_param_is_u32_octal
- fsparam_u32hex() fs_param_is_u32_hex
fsparam_s32() fs_param_is_s32
fsparam_u64() fs_param_is_u64
fsparam_enum() fs_param_is_enum
@@ -678,6 +687,8 @@ The members are as follows:
fsparam_bdev() fs_param_is_blockdev
fsparam_path() fs_param_is_path
fsparam_fd() fs_param_is_fd
+ fsparam_uid() fs_param_is_uid
+ fsparam_gid() fs_param_is_gid
======================= ===============================================
all of which take two arguments, name string and option number - for
@@ -751,22 +762,8 @@ process the parameters it is given.
* ::
- bool validate_constant_table(const struct constant_table *tbl,
- size_t tbl_size,
- int low, int high, int special);
-
- Validate a constant table. Checks that all the elements are appropriately
- ordered, that there are no duplicates and that the values are between low
- and high inclusive, though provision is made for one allowable special
- value outside of that range. If no special value is required, special
- should just be set to lie inside the low-to-high range.
-
- If all is good, true is returned. If the table is invalid, errors are
- logged to the kernel log buffer and false is returned.
-
- * ::
-
- bool fs_validate_description(const struct fs_parameter_description *desc);
+ bool fs_validate_description(const char *name,
+ const struct fs_parameter_description *desc);
This performs some validation checks on a parameter description. It
returns true if the description is good and false if it is not. It will
@@ -784,8 +781,9 @@ process the parameters it is given.
option number (which it returns).
If successful, and if the parameter type indicates the result is a
- boolean, integer or enum type, the value is converted by this function and
- the result stored in result->{boolean,int_32,uint_32,uint_64}.
+ boolean, integer, enum, uid, or gid type, the value is converted by this
+ function and the result stored in
+ result->{boolean,int_32,uint_32,uint_64,uid,gid}.
If a match isn't initially made, the key is prefixed with "no" and no
value is present then an attempt will be made to look up the key with the