Michael Kerrisk
7f4f24eaf1
attr.7: Document EA limits for Btrfs
...
From experimentation, I found a 16kB limit on name + value +
overhead bytes. Digger deeper, I see that
https://btrfs.wiki.kernel.org/index.php/Project_ideas#Unlimited_extended_attributes
says:
Unlimited extended attributes
Not claimed — no patches yet — Not in kernel yet
Currently size of value of an extended attribute must fit into
inline space (~3900 on 4k leaf size), while other filesystems
do not limit the size. Add a new b-tree item to hold the xattr
value in extents.
And reading mkfs.btrfs(8) reveals that the default node (AKA leaf)
size is 16kB.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:51:09 +02:00
Michael Kerrisk
edb159da63
attr.7: Describe limit on EA values for JFS, XFS, and Reiserfs
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:42:38 +02:00
Michael Kerrisk
6db035a320
attr.7: Document VFS-imposed limits on EAs
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VFS imposes a 255-byte limit on EA names, and a 64kB limit on
EA values.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:42:38 +02:00
Michael Kerrisk
3d33987bdb
attr.7: tfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:42:38 +02:00
Michael Kerrisk
6ad46a9d8c
attr.7: The ext[234] block limitation applies to sum of all EAs
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It is not a per-EA limit.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:42:38 +02:00
Michael Kerrisk
9a7d1c23ae
attr.7: ext2 and ext3 no longer need mounting with 'user_xattr' for user EAs
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:42:30 +02:00
Michael Kerrisk
03a93c3778
attr.7: Clarify permissions required to work with 'user' EAs
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
7ee629abee
attr.7: ffix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
355657c248
attr.7: wfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
8d75a7a852
attr.7: tfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
b4a61f89a2
attr.7: wfix: remove unneeded statement that superuser has CAP_SYS_ADMIN
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
d8ba76940b
attr.7: File capabilities are implemented using *security* attributes
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Not *system* attributes
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
68d53b6d9c
attr.7: wfix (s/zero-terminated/null/terminated)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
5871fb36fc
attr.7: grfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
b124a27b19
attr.7: Add CONFORMING TO section
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
b68d4dc382
attr.7: Btrfs also supports extended attributes
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 10:07:27 +02:00
Michael Kerrisk
b5792ba5dc
attr.7: ffix: s/reiserfs/Reiserfs/
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For consistency with other man-pages pages.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 09:14:58 +02:00
Michael Kerrisk
aad5c29757
attr.7: Add various relevant pages to SEE ALSO
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 09:11:27 +02:00
Michael Kerrisk
5ee7f61c3e
attr.7: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 09:03:37 +02:00
Michael Kerrisk
ca7d9e3443
attr.7: Minor tweaks
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 09:00:28 +02:00
Michael Kerrisk
ebce8403ab
attr.7: Minor wording fixes
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 09:00:28 +02:00
Michael Kerrisk
b63436d873
attr.7: Modify headings to man-pages norms
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 09:00:28 +02:00
Michael Kerrisk
31a369b843
attr.7: ffix: drop AUTHORS section
...
man-pages generally avoids AUTHORS sections.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 09:00:21 +02:00
Michael Kerrisk
933e467539
attr.7: srcfix: wrap long lines and wrap at end of sentences
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 08:50:55 +02:00
Michael Kerrisk
5d993ac57d
attr.5: New link to attr(7)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 08:40:37 +02:00
Andreas Gruenbacher
544a5910f7
attr.7: Import attr(5) man page from the 'attr' project
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After discussions with Andreas Gruenbacher, it makes sense to
move this page into man-pages, since it mostly relates to
kernel details.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-22 08:34:32 +02:00
Michael Kerrisk
44b1f5a0c2
stat.2: Minor fixes
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Reported-by: Andreas Grünbacher <andreas.gruenbacher@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 16:50:34 +02:00
Michael Kerrisk
bba094e3f9
stat.2: Remove excessive leading zeros on some constants
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Reported-by: Andreas Grünbacher <andreas.gruenbacher@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 16:35:23 +02:00
Michael Kerrisk
addfd6c39c
stat.2: Wording tweaks to Jann Horn's patch
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:56:15 +02:00
Michael Kerrisk
5ec64a3abd
mkdir.2: Further tweaks to text on S_ISVTX and 'mode' argument
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Reported-by: Andreas Grünbacher <andreas.gruenbacher@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:50:05 +02:00
Michael Kerrisk
1dab8564e2
stat.2: Add text on POSIX terms "file mode bits" and "file permission bits"
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Recent changes to various pages employ this distinction.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:42:40 +02:00
Michael Kerrisk
3a9c5a29b6
open.2: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:42:40 +02:00
Michael Kerrisk
7e64d33c18
shutdown.2: BUGS: UNIX domain sockets now detect invalid 'how' values
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Bug fixed in Linux 3.7.
See https://bugzilla.kernel.org/show_bug.cgi?id=47111
Reported-by: Stéphane Aulery <saulery@free.fr>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:42:31 +02:00
Michael Kerrisk
5b12fe6d92
resolver.3: Add descriptions of some other resolver functions
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Add res_ninit(), res_nquery(), res_nsearch(),
and res_nquerydomain(), res_nmkquery(), res_nsend().
Reported-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:01:13 +02:00
Michael Kerrisk
11e8504e29
resolver.3: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:01:13 +02:00
Michael Kerrisk
b6a4576f23
res_ninit.3, res_nmkquery.3, res_nquery.3, res_nquerydomain.3, res_nsearch.3, res_nsend.3: New links to resolver(3) man page
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 15:01:13 +02:00
Stéphane Aulery
25fe58e4c7
resolver.3: Add info about RES_INSECURE1 and RES_INSECURE2 option in debug mode
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Signed-off-by: Stéphane Aulery <saulery@free.fr>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:59:59 +02:00
William Woodruff
b9e14fc975
undocumented.3: Remove documented functions
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Signed-off-by: William Woodruff <william@tuffbizz.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:45:25 +02:00
Michael Kerrisk
64639e9aa6
stat.2: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:44:20 +02:00
Jann Horn
f240296dee
stat.2: Add note about stat() being racy
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The same thing was fixed for execve() in kernel commit
8b01fc86b9f425899f8a3a8fc1c47d73c2c20543, but for performance
reasons, that simple patch won't work for stat().
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:40:39 +02:00
Michael Kerrisk
9e1d8950a2
open.2: open() honors the S_ISVTX, S_ISUID, and S_ISGID bits in 'mode'
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Reported-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:37:15 +02:00
Michael Kerrisk
10ef5a5549
mkdir.2: Fix a small error added by Andreas's patch
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:37:15 +02:00
Michael Kerrisk
2fc8395c2b
mkdir.2: Wording fixes + point reader at stat(2) for explanation of file mode
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:37:09 +02:00
Michael Kerrisk
9fcca5a033
mknod.2: Rewordings + point reader at stat(2) for details of mode bits
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:37:09 +02:00
Michael Kerrisk
58222012f8
open.2: Tighten wording: use 'mode bit' rather than 'permission bit'
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:37:09 +02:00
Michael Kerrisk
a57c98a000
mkdir.2, mknod.2, open.2, umask.2: Tweaks to Andreas's patch
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:37:09 +02:00
Andreas Gruenbacher
5d817eb475
umask.2, open.2, mknod.2, mkdir.2: Explain what default ACLs do
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Explain the effect that default ACLs have (instead of the umask)
in umask.2. Mention that default ACLs can have an affect in
open.2, mknod.2, and mkdir.2.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:37:09 +02:00
Michael Kerrisk
ed948c28b3
chown.2, execve.2, prctl.2, truncate.2, proc.5, capabilities.7, ld.so.8: Tighter wording: 'mode bit' rather than 'permission bit'
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For sticky, set-UID, and set-GID mode bits (as used in POSIX).
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:36:59 +02:00
Michael Kerrisk
7901c9c3cd
stat.2: Tighten wording: use 'mode bit' rather than 'permission bit'
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According to POSIX, the the 9 UGO*RWX bits are permissions, and
'mode' is used to refer to collectively to those bits plus sticky,
set-UID, and set_GID bits.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:27:41 +02:00
Andreas Gruenbacher
b0c5363f3e
stat.2: Improve description of some mode constants
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Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-04-21 14:27:29 +02:00