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authorJunxuan Liao <ljx@cs.wisc.edu>2025-06-22 23:01:32 -0500
committerChristian Brauner <brauner@kernel.org>2025-06-23 12:17:33 +0200
commit2773d282cd56464f62e9b4703c41d2f733a67842 (patch)
tree74326b19e67c7ee91acfc1aa84a80e0d3a988956 /fs/attr.c
parentfs/buffer: remove comment about hard sectorsize (diff)
downloadlinux-2773d282cd56464f62e9b4703c41d2f733a67842.tar.gz
linux-2773d282cd56464f62e9b4703c41d2f733a67842.zip
docs/vfs: update references to i_mutex to i_rwsem
VFS has switched to i_rwsem for ten years now (9902af79c01a: parallel lookups actual switch to rwsem), but the VFS documentation and comments still has references to i_mutex. Signed-off-by: Junxuan Liao <ljx@cs.wisc.edu> Link: https://lore.kernel.org/72223729-5471-474a-af3c-f366691fba82@cs.wisc.edu Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/attr.c')
-rw-r--r--fs/attr.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/attr.c b/fs/attr.c
index 9caf63d20d03..5425c1dbbff9 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -230,7 +230,7 @@ EXPORT_SYMBOL(setattr_prepare);
* @inode: the inode to be truncated
* @offset: the new size to assign to the inode
*
- * inode_newsize_ok must be called with i_mutex held.
+ * inode_newsize_ok must be called with i_rwsem held exclusively.
*
* inode_newsize_ok will check filesystem limits and ulimits to check that the
* new inode size is within limits. inode_newsize_ok will also send SIGXFSZ
@@ -318,7 +318,7 @@ static void setattr_copy_mgtime(struct inode *inode, const struct iattr *attr)
* @inode: the inode to be updated
* @attr: the new attributes
*
- * setattr_copy must be called with i_mutex held.
+ * setattr_copy must be called with i_rwsem held exclusively.
*
* setattr_copy updates the inode's metadata with that specified
* in attr on idmapped mounts. Necessary permission checks to determine
@@ -403,13 +403,13 @@ EXPORT_SYMBOL(may_setattr);
* @attr: new attributes
* @delegated_inode: returns inode, if the inode is delegated
*
- * The caller must hold the i_mutex on the affected object.
+ * The caller must hold the i_rwsem exclusively on the affected object.
*
* If notify_change discovers a delegation in need of breaking,
* it will return -EWOULDBLOCK and return a reference to the inode in
* delegated_inode. The caller should then break the delegation and
* retry. Because breaking a delegation may take a long time, the
- * caller should drop the i_mutex before doing so.
+ * caller should drop the i_rwsem before doing so.
*
* Alternatively, a caller may pass NULL for delegated_inode. This may
* be appropriate for callers that expect the underlying filesystem not
@@ -456,7 +456,7 @@ int notify_change(struct mnt_idmap *idmap, struct dentry *dentry,
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
- /* Flag setting protected by i_mutex */
+ /* Flag setting protected by i_rwsem */
if (is_sxid(attr->ia_mode))
inode->i_flags &= ~S_NOSEC;
}