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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
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#ifndef _LINUX_FILEATTR_H#define _LINUX_FILEATTR_H
/* Flags shared betwen flags/xflags */#define FS_COMMON_FL \ (FS_SYNC_FL | FS_IMMUTABLE_FL | FS_APPEND_FL | \ FS_NODUMP_FL | FS_NOATIME_FL | FS_DAX_FL | \ FS_PROJINHERIT_FL | FS_VERITY_FL)
#define FS_XFLAG_COMMON \ (FS_XFLAG_SYNC | FS_XFLAG_IMMUTABLE | FS_XFLAG_APPEND | \ FS_XFLAG_NODUMP | FS_XFLAG_NOATIME | FS_XFLAG_DAX | \ FS_XFLAG_PROJINHERIT | FS_XFLAG_VERITY)
/* Read-only inode flags */#define FS_XFLAG_RDONLY_MASK \ (FS_XFLAG_PREALLOC | FS_XFLAG_HASATTR | FS_XFLAG_VERITY | \ FS_XFLAG_CASEFOLD | FS_XFLAG_CASENONPRESERVING)
/* Flags to indicate valid value of fsx_ fields */#define FS_XFLAG_VALUES_MASK \ (FS_XFLAG_EXTSIZE | FS_XFLAG_COWEXTSIZE)
/* Flags for directories */#define FS_XFLAG_DIRONLY_MASK \ (FS_XFLAG_RTINHERIT | FS_XFLAG_NOSYMLINKS | FS_XFLAG_EXTSZINHERIT)
/* Misc settable flags */#define FS_XFLAG_MISC_MASK \ (FS_XFLAG_REALTIME | FS_XFLAG_NODEFRAG | FS_XFLAG_FILESTREAM)
#define FS_XFLAGS_MASK \ (FS_XFLAG_COMMON | FS_XFLAG_RDONLY_MASK | FS_XFLAG_VALUES_MASK | \ FS_XFLAG_DIRONLY_MASK | FS_XFLAG_MISC_MASK)
/* * Merged interface for miscellaneous file attributes. 'flags' originates from * ext* and 'fsx_flags' from xfs. There's some overlap between the two, which * is handled by the VFS helpers, so filesystems are free to implement just one * or both of these sub-interfaces. */struct file_kattr { u32 flags; /* flags (FS_IOC_GETFLAGS/FS_IOC_SETFLAGS) */ /* struct fsxattr: */ u32 fsx_xflags; /* xflags field value (get/set) */ u32 fsx_extsize; /* extsize field value (get/set)*/ u32 fsx_nextents; /* nextents field value (get) */ u32 fsx_projid; /* project identifier (get/set) */ u32 fsx_cowextsize; /* CoW extsize field value (get/set)*/ /* selectors: */ bool flags_valid:1; bool fsx_valid:1;};
int copy_fsxattr_to_user(const struct file_kattr *fa, struct fsxattr __user *ufa);
void fileattr_fill_xflags(struct file_kattr *fa, u32 xflags);void fileattr_fill_flags(struct file_kattr *fa, u32 flags);
/** * fileattr_has_fsx - check for extended flags/attributes * @fa: fileattr pointer * * Return: true if any attributes are present that are not represented in * ->flags. */static inline bool fileattr_has_fsx(const struct file_kattr *fa){ return fa->fsx_valid && ((fa->fsx_xflags & ~FS_XFLAG_COMMON) || fa->fsx_extsize != 0 || fa->fsx_projid != 0 || fa->fsx_cowextsize != 0);}
int vfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa);int vfs_fileattr_set(struct mnt_idmap *idmap, struct dentry *dentry, struct file_kattr *fa);int ioctl_getflags(struct file *file, unsigned int __user *argp);int ioctl_setflags(struct file *file, unsigned int __user *argp);int ioctl_fsgetxattr(struct file *file, void __user *argp);int ioctl_fssetxattr(struct file *file, void __user *argp);
#endif /* _LINUX_FILEATTR_H */