Kconfig (91581e4c60db35268ad67c550f5c551045f592f5) Kconfig (569d0365f571fa6421a5c80bc30d1b2cdab857fe)
1#
2# File system configuration
3#
4
5menu "File systems"
6
7# Use unaligned word dcache accesses
8config DCACHE_WORD_ACCESS

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53
54config FS_DAX_PMD
55 bool
56 default FS_DAX
57 depends on FS_DAX
58 depends on ZONE_DEVICE
59 depends on TRANSPARENT_HUGEPAGE
60
1#
2# File system configuration
3#
4
5menu "File systems"
6
7# Use unaligned word dcache accesses
8config DCACHE_WORD_ACCESS

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53
54config FS_DAX_PMD
55 bool
56 default FS_DAX
57 depends on FS_DAX
58 depends on ZONE_DEVICE
59 depends on TRANSPARENT_HUGEPAGE
60
61# Selected by DAX drivers that do not expect filesystem DAX to support
62# get_user_pages() of DAX mappings. I.e. "limited" indicates no support
63# for fork() of processes with MAP_SHARED mappings or support for
64# direct-I/O to a DAX mapping.
65config FS_DAX_LIMITED
66 bool
67
61endif # BLOCK
62
63# Posix ACL utility routines
64#
65# Note: Posix ACLs can be implemented without these helpers. Never use
66# this symbol for ifdefs in core code.
67#
68config FS_POSIX_ACL

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162
163 If you've selected TMPFS, it's possible that you'll also need
164 this option as there are a number of Linux distros that require
165 POSIX ACL support under /dev for certain features to work properly.
166 For example, some distros need this feature for ALSA-related /dev
167 files for sound to work properly. In short, if you're not sure,
168 say Y.
169
68endif # BLOCK
69
70# Posix ACL utility routines
71#
72# Note: Posix ACLs can be implemented without these helpers. Never use
73# this symbol for ifdefs in core code.
74#
75config FS_POSIX_ACL

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169
170 If you've selected TMPFS, it's possible that you'll also need
171 this option as there are a number of Linux distros that require
172 POSIX ACL support under /dev for certain features to work properly.
173 For example, some distros need this feature for ALSA-related /dev
174 files for sound to work properly. In short, if you're not sure,
175 say Y.
176
177 To learn more about Access Control Lists, visit the POSIX ACLs for
178 Linux website <http://acl.bestbits.at/>.
179
170config TMPFS_XATTR
171 bool "Tmpfs extended attributes"
172 depends on TMPFS
173 default n
174 help
175 Extended attributes are name:value pairs associated with inodes by
180config TMPFS_XATTR
181 bool "Tmpfs extended attributes"
182 depends on TMPFS
183 default n
184 help
185 Extended attributes are name:value pairs associated with inodes by
176 the kernel or by users (see the attr(5) manual page for details).
186 the kernel or by users (see the attr(5) manual page, or visit
187 <http://acl.bestbits.at/> for details).
177
178 Currently this enables support for the trusted.* and
179 security.* namespaces.
180
181 You need this for POSIX ACL support on tmpfs.
182
183 If unsure, say N.
184

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188
189 Currently this enables support for the trusted.* and
190 security.* namespaces.
191
192 You need this for POSIX ACL support on tmpfs.
193
194 If unsure, say N.
195

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