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Linux's chattr i.e. ioctl(FS_IOC_SETFLAGS) is not supported in os.chflags() #87105
Closed as duplicate
Description
| BPO | 42939 |
|---|---|
| Nosy | @tiran, @socketpair, @eryksun, @corona10 |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = None
created_at = <Date 2021-01-16.14:25:34.618>
labels = ['library', '3.9', '3.10']
title = "Linux's chattr i.e. ioctl(FS_IOC_SETFLAGS) is not supported in os.chflags()"
updated_at = <Date 2021-01-30.20:50:43.418>
user = 'https://github.com/socketpair'bugs.python.org fields:
activity = <Date 2021-01-30.20:50:43.418>
actor = 'eryksun'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-01-16.14:25:34.618>
creator = 'socketpair'
dependencies = []
files = []
hgrepos = []
issue_num = 42939
keywords = []
message_count = 2.0
messages = ['385141', '385995']
nosy_count = 4.0
nosy_names = ['christian.heimes', 'socketpair', 'eryksun', 'corona10']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue42939'
versions = ['Python 3.9', 'Python 3.10']
Activity
socketpair commented on Jan 16, 2021
https://man7.org/linux/man-pages/man2/ioctl_iflags.2.html
Seems the ioctl is only way to implement chattr(). I propose to add all these flags to os.chflags() and to gain its support in Linux.
eryksun commented on Jan 30, 2021
bpo-39533 is a related issue that seeks to support the Linux statx() system call. A statx record includes an stx_attributes field, which supports the following file attributes that can be set with chattr:
and the following read-only file attributes that can be listed with lsattr:
encukou commented on Aug 25, 2026
This is a duplicate of #75494.