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-rw-r--r--include/linux/fs.h38
1 files changed, 26 insertions, 12 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9eced4cc286e..e654435f1651 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1472,7 +1472,7 @@ struct super_block {
const struct xattr_handler **s_xattr;
#ifdef CONFIG_FS_ENCRYPTION
const struct fscrypt_operations *s_cop;
- struct key *s_master_keys; /* master crypto keys in use */
+ struct fscrypt_keyring *s_master_keys; /* master crypto keys in use */
#endif
#ifdef CONFIG_FS_VERITY
const struct fsverity_operations *s_vop;
@@ -2004,8 +2004,9 @@ static inline int vfs_whiteout(struct user_namespace *mnt_userns,
WHITEOUT_DEV);
}
-struct dentry *vfs_tmpfile(struct user_namespace *mnt_userns,
- struct dentry *dentry, umode_t mode, int open_flag);
+struct file *vfs_tmpfile_open(struct user_namespace *mnt_userns,
+ const struct path *parentpath,
+ umode_t mode, int open_flag, const struct cred *cred);
int vfs_mkobj(struct dentry *, umode_t,
int (*f)(struct dentry *, umode_t, void *),
@@ -2038,9 +2039,10 @@ umode_t mode_strip_sgid(struct user_namespace *mnt_userns,
* the kernel specify what kind of dirent layout it wants to have.
* This allows the kernel to read directories into kernel space or
* to have different dirent layouts depending on the binary type.
+ * Return 'true' to keep going and 'false' if there are no more entries.
*/
struct dir_context;
-typedef int (*filldir_t)(struct dir_context *, const char *, int, loff_t, u64,
+typedef bool (*filldir_t)(struct dir_context *, const char *, int, loff_t, u64,
unsigned);
struct dir_context {
@@ -2132,6 +2134,8 @@ struct file_operations {
loff_t len, unsigned int remap_flags);
int (*fadvise)(struct file *, loff_t, loff_t, int);
int (*uring_cmd)(struct io_uring_cmd *ioucmd, unsigned int issue_flags);
+ int (*uring_cmd_iopoll)(struct io_uring_cmd *, struct io_comp_batch *,
+ unsigned int poll_flags);
} __randomize_layout;
struct inode_operations {
@@ -2167,7 +2171,7 @@ struct inode_operations {
struct file *, unsigned open_flag,
umode_t create_mode);
int (*tmpfile) (struct user_namespace *, struct inode *,
- struct dentry *, umode_t);
+ struct file *, umode_t);
int (*set_acl)(struct user_namespace *, struct inode *,
struct posix_acl *, int);
int (*fileattr_set)(struct user_namespace *mnt_userns,
@@ -2371,13 +2375,14 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src,
* don't have to write inode on fdatasync() when only
* e.g. the timestamps have changed.
* I_DIRTY_PAGES Inode has dirty pages. Inode itself may be clean.
- * I_DIRTY_TIME The inode itself only has dirty timestamps, and the
+ * I_DIRTY_TIME The inode itself has dirty timestamps, and the
* lazytime mount option is enabled. We keep track of this
* separately from I_DIRTY_SYNC in order to implement
* lazytime. This gets cleared if I_DIRTY_INODE
- * (I_DIRTY_SYNC and/or I_DIRTY_DATASYNC) gets set. I.e.
- * either I_DIRTY_TIME *or* I_DIRTY_INODE can be set in
- * i_state, but not both. I_DIRTY_PAGES may still be set.
+ * (I_DIRTY_SYNC and/or I_DIRTY_DATASYNC) gets set. But
+ * I_DIRTY_TIME can still be set if I_DIRTY_SYNC is already
+ * in place because writeback might already be in progress
+ * and we don't want to lose the time update
* I_NEW Serves as both a mutex and completion notification.
* New inodes set I_NEW. If two processes both create
* the same inode, one of them will release its inode and
@@ -2779,6 +2784,15 @@ extern int finish_open(struct file *file, struct dentry *dentry,
int (*open)(struct inode *, struct file *));
extern int finish_no_open(struct file *file, struct dentry *dentry);
+/* Helper for the simple case when original dentry is used */
+static inline int finish_open_simple(struct file *file, int error)
+{
+ if (error)
+ return error;
+
+ return finish_open(file, file->f_path.dentry, NULL);
+}
+
/* fs/dcache.c */
extern void __init vfs_caches_init_early(void);
extern void __init vfs_caches_init(void);
@@ -3540,17 +3554,17 @@ static inline bool dir_emit(struct dir_context *ctx,
const char *name, int namelen,
u64 ino, unsigned type)
{
- return ctx->actor(ctx, name, namelen, ctx->pos, ino, type) == 0;
+ return ctx->actor(ctx, name, namelen, ctx->pos, ino, type);
}
static inline bool dir_emit_dot(struct file *file, struct dir_context *ctx)
{
return ctx->actor(ctx, ".", 1, ctx->pos,
- file->f_path.dentry->d_inode->i_ino, DT_DIR) == 0;
+ file->f_path.dentry->d_inode->i_ino, DT_DIR);
}
static inline bool dir_emit_dotdot(struct file *file, struct dir_context *ctx)
{
return ctx->actor(ctx, "..", 2, ctx->pos,
- parent_ino(file->f_path.dentry), DT_DIR) == 0;
+ parent_ino(file->f_path.dentry), DT_DIR);
}
static inline bool dir_emit_dots(struct file *file, struct dir_context *ctx)
{