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/fs/kernfs/
A Dfile.c203 of->event = atomic_read(&of_on(of)->event); in kernfs_seq_show()
247 of->event = atomic_read(&of_on(of)->event); in kernfs_file_read_iter()
357 if (!of->vm_ops) in kernfs_vma_open()
375 if (!of->vm_ops) in kernfs_vma_fault()
475 if (of->mmapped && of->vm_ops != vma->vm_ops) in kernfs_fop_mmap()
573 if (of) { in kernfs_unlink_open_file()
624 if (!of) in kernfs_fop_open()
654 of->kn = kn; in kernfs_fop_open()
693 of->seq_file->private = of; in kernfs_fop_open()
721 kfree(of); in kernfs_fop_open()
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/fs/sysfs/
A Dfile.c48 struct kernfs_open_file *of = sf->private; in sysfs_kf_seq_show() local
49 struct kobject *kobj = sysfs_file_kobj(of->kn); in sysfs_kf_seq_show()
65 count = ops->show(kobj, of->kn->priv, buf); in sysfs_kf_seq_show()
87 struct kobject *kobj = sysfs_file_kobj(of->kn); in sysfs_kf_bin_read()
88 loff_t size = file_inode(of->file)->i_size; in sysfs_kf_bin_read()
114 struct kobject *kobj = sysfs_file_kobj(of->kn); in sysfs_kf_read()
121 if (WARN_ON_ONCE(buf != of->prealloc_buf)) in sysfs_kf_read()
123 len = ops->show(kobj, of->kn->priv, buf); in sysfs_kf_read()
140 struct kobject *kobj = sysfs_file_kobj(of->kn); in sysfs_kf_write()
154 loff_t size = file_inode(of->file)->i_size; in sysfs_kf_bin_write()
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/fs/cramfs/
A DREADME23 null-padded to a multiple of 4 bytes.
38 regular file of non-zero st_size.
44 padding to multiple of 4 bytes
63 the compressed data length is included in the first 2 bytes of
68 The order of <file_data>'s is a depth-first descent of the directory
77 (For the last <block> of the file, the input may of course be smaller.)
88 is not set then the first 2 bytes of the block contains the size of the
116 (Block size in cramfs refers to the size of input data that is
133 require the least amount of change: just change `#define
166 The cost of option 1 is that kernels with a larger PAGE_SIZE
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/fs/befs/
A DChangeLog94 * Cleanup of NLS functions (util.c) [WD]
125 * Added workaround for mis-understanding of the nature of the b+trees used
170 * Fixed a couple of compile warnings due to use of malloc.h, when slab.h
236 the hard work of finding the disk block number.
313 * Fixed a misunderstanding of the inode fields.
315 The i_blocks field of the inode struct is not the number of blocks for the
318 Changed to blocksize of filesystem.
343 * Posted verion 4 of the patch
372 * Got rid of kernel warning on mount.
378 * Fixed wrong number of args bug in befs_dump_inode
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/fs/pstore/
A DKconfig21 Defines default size of pstore kernel log storage.
115 2) /dev/<disk_name> represents the device name of disk
117 of partition - device number of disk plus the partition number
135 int "Size in Kbytes of kmsg dump log to store"
140 pstore/blk. The size is in KB and must be a multiple of 4.
158 int "Size in Kbytes of pmsg to store"
164 in KB and must be a multiple of 4.
170 int "Size in Kbytes of console log to store"
176 pstore/blk. The size is in KB and must be a multiple of 4.
182 int "Size in Kbytes of ftrace log to store"
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/fs/affs/
A DChanges10 problem that I'm aware of (pointer/int conversion
25 a multiple of the blocksize, the rest of the
81 - cleanup of some interfaces
131 - Cleanup of error handling in read_super().
132 Didn't release all resources in case of an
140 - Cleanup of error handling in namei.c. (BH)
142 - Cleanup of error handling in file.c. (BH)
144 - The original blocksize of the device is
199 correctly byte-swapped. Since most of the users of the
217 - Changed mapping of executable flag.
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/fs/unicode/
A DREADME.utf8data2 Character Database for version 12.1.0 of the Unicode standard.
4 The full set of files can be found here:
39 To update to the newer version of the Unicode standard, the latest
40 released version of the UCD can be found here:
50 have a total size of 324k) and/or comparing it with the older version
51 of utf8data.c_shipped, rename it to utf8data.c_shipped.
53 If you are a kernel developer updating to a newer version of the
55 with the version of the UCD that was used, the md5sum and sha1sums of
56 the *.txt files, before checking in the new versions of the utf8data.c
/fs/resctrl/
A Drdtgroup.c378 rdtgroup_kn_unlock(of->kn); in rdtgroup_cpus_show()
548 if (is_cpu_list(of)) in rdtgroup_cpus_write()
574 rdtgroup_kn_unlock(of->kn); in rdtgroup_cpus_write()
779 rdtgroup_kn_unlock(of->kn); in rdtgroup_tasks_write()
814 rdtgroup_kn_unlock(of->kn); in rdtgroup_tasks_write()
846 rdtgroup_kn_unlock(of->kn); in rdtgroup_tasks_show()
862 rdtgroup_kn_unlock(of->kn); in rdtgroup_closid_show()
878 rdtgroup_kn_unlock(of->kn); in rdtgroup_rmid_show()
1249 rdtgroup_kn_unlock(of->kn); in rdtgroup_mode_show()
1484 rdtgroup_kn_unlock(of->kn); in rdtgroup_mode_write()
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A Dctrlmondata.c317 rdtgrp = rdtgroup_kn_lock_live(of->kn); in rdtgroup_schemata_write()
319 rdtgroup_kn_unlock(of->kn); in rdtgroup_schemata_write()
380 rdtgroup_kn_unlock(of->kn); in rdtgroup_schemata_write()
419 rdtgrp = rdtgroup_kn_lock_live(of->kn); in rdtgroup_schemata_show()
446 rdtgroup_kn_unlock(of->kn); in rdtgroup_schemata_show()
468 rdtgrp = rdtgroup_kn_lock_live(of->kn); in rdtgroup_mba_mbps_event_write()
470 rdtgroup_kn_unlock(of->kn); in rdtgroup_mba_mbps_event_write()
492 rdtgroup_kn_unlock(of->kn); in rdtgroup_mba_mbps_event_write()
522 rdtgroup_kn_unlock(of->kn); in rdtgroup_mba_mbps_event_show()
608 md = of->kn->priv; in rdtgroup_mondata_show()
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A Dinternal.h261 int (*seq_show)(struct kernfs_open_file *of,
268 ssize_t (*write)(struct kernfs_open_file *of,
311 ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of,
314 int rdtgroup_schemata_show(struct kernfs_open_file *of,
317 ssize_t rdtgroup_mba_mbps_event_write(struct kernfs_open_file *of,
320 int rdtgroup_mba_mbps_event_show(struct kernfs_open_file *of,
/fs/jffs2/
A DREADME.Locking14 contiguous allocation of space on the medium. It is automatically
17 the garbage collector will obtain this right at the beginning of
24 which they belong. This is for the benefit of NAND flash - adding new
27 time this happens are part of the new node, not just something that
32 With the introduction of NAND flash support and the write-buffer,
43 This is the JFFS2-internal equivalent of the inode mutex i->i_sem.
58 Instead of playing such games, we just have an extra internal
60 by the normal file system code _after_ allocation of space.
76 (NB) the per-inode list of physical nodes. The latter is a special
102 This spinlock protects the hashed list (c->inocache_list) of the
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A DLICENCE2 file are part of JFFS2, the Journalling Flash File System v2.
7 the terms of the GNU General Public License as published by the Free
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 You should have received a copy of the GNU General Public License along
26 of the GNU General Public License.
/fs/proc/
A DKconfig7 of the system. "Virtual" means that it doesn't take up any space on
10 version of the program less: you need to use more or cat.
14 (there is a small number of Interrupt ReQuest lines in your computer
16 often a source of trouble if two devices are mistakenly configured
37 Provides a virtual ELF core file of the live kernel. This can
46 Exports the dump image of crashed kernel in ELF format.
54 specific snapshot of their hardware or firmware before the
89 The sysctl interface provides a means of dynamically changing
91 a recompile of the kernel or reboot of the system. The primary
92 interface is through /proc/sys. If you say Y here a tree of
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/fs/overlayfs/
A Dfile.c101 if (unlikely(!of)) in ovl_file_alloc()
104 of->realfile = realfile; in ovl_file_alloc()
105 return of; in ovl_file_alloc()
110 fput(of->realfile); in ovl_file_free()
111 if (of->upperfile) in ovl_file_free()
112 fput(of->upperfile); in ovl_file_free()
113 kfree(of); in ovl_file_free()
203 struct ovl_file *of; in ovl_open() local
226 of = ovl_file_alloc(realfile); in ovl_open()
227 if (!of) { in ovl_open()
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/fs/
A DKconfig.binfmt65 segments of a binary to be located in memory independently of each
82 ELF core dump files describe each memory mapping of the crashed
83 process, and can contain or omit the memory contents of each one.
84 The contents of an unmodified text mapping are omitted by default.
86 For an unmodified text mapping of an ELF object, including just
87 the first page of the file in a core dump makes it possible to
89 cost and disk space to dump all the text. However, versions of
96 This config option changes the default setting of coredump_filter
109 this module must consist of compiled binaries only.
136 you have some of those say N here.
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/fs/nfs/
A DKconfig23 Below you can choose which versions of the NFS protocol are
40 This option enables support for version 2 of the NFS protocol
50 This option enables support for version 3 of the NFS protocol
60 Sun added to Solaris but never became an official part of the
82 This option enables support for version 4 of the NFS protocol
104 This option enables support for minor version 1 of the NFSv4 protocol
138 This option defines the domain portion of the implementation ID that
140 the format of a DNS domain name and should be set to the DNS domain
141 name of the distribution.
207 Choose Y here to disable the use of NFS over UDP. NFS over UDP
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/fs/squashfs/
A DKconfig11 Block sizes greater than 4K are supported up to a maximum of 1 Mbytes
124 This decompressor implementation uses a maximum of one
153 bool "Enable full caching of compressed blocks"
181 achieved and the amount of CPU time and memory necessary to
194 of zlib are too high.
209 of zlib are too high.
223 the default zlib compression, at the expense of greater CPU and
260 accesses of files in filesystem order) on all media.
276 int "Number of fragments cached" if SQUASHFS_EMBEDDED
283 of extra system memory. Decreasing this amount will mean
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/fs/romfs/
A DKconfig7 initial ram disks of installation disks, but it could be used for
12 module will be called romfs. Note that the file system of your
35 direct mapping of the medium.
44 intercession of the block layer (which may have been disabled). It
45 also allows direct mapping of MTD devices through romfs files under
/fs/smb/client/
A DKconfig24 This is the client VFS module for the SMB3 family of network file
36 included in Windows NT4, 2000 and XP (and later). Use of dialects
62 allow optional logging of slow responses to dmesg (depending on the
77 of legacy dialects (SMB1/CIFS and SMB2.0) is discouraged.
99 CIFS maps the name of extended attributes beginning with the user
113 negotiate a feature of the older cifs dialect with servers, such as
126 the cifs code which increases the size of the cifs module.
134 to the cifs code which slightly increases the size of
135 the cifs module and can cause additional logging of debug
160 servers if their addresses change or for implicit mounts of
[all …]
/fs/netfs/
A DKconfig19 The gathering of statistics adds a certain amount of overhead to
39 Different sorts of caches can be plugged in, depending on the
54 The gathering of statistics adds a certain amount of overhead to
/fs/configfs/
A DKconfig6 of sysfs's functionality. Where sysfs is a filesystem-based
7 view of kernel objects, configfs is a filesystem-based manager
8 of kernel objects, or config_items.
/fs/xfs/
A DKconfig12 variable block sizes, is extent based, and makes extensive use of
18 with the IRIX version of XFS.
22 system of your root partition is compiled as a module, you'll need
33 year 2038. Because of this, the V4 format is deprecated. All users
60 attacks. Because of this, the feature is deprecated. All users
85 higher level guarantee of consistency. The on-disk data format for
86 quota is also compatible with the IRIX version of XFS, allowing a
111 separate area of disk space where only file data is stored. It was
166 of invocations, the outcomes, and the results of repairs, if any.
167 This may slow down scrub slightly due to the use of high precision
[all …]
/fs/gfs2/
A DKconfig12 Allows a cluster of computers to simultaneously use a block device
16 filesystem consistency is maintained. One of the nifty features of
34 Most users of GFS2 will require this. It provides the locking
/fs/verity/
A DKconfig17 This serves as an integrity check, but the availability of the
27 protection against malicious disks vs. an ahead-of-time hash.
36 This option adds support for in-kernel verification of
43 limitations of this feature, see
/fs/nfsd/
A DKconfig30 Below you can choose which versions of the NFS protocol are
42 NFSv2 (RFC 1094) was the first publicly-released version of NFS.
57 never became an official part of the NFS version 3 protocol.
70 related CONFIG options for your local file systems of choice.
86 version 4 of the NFS protocol (RFC 3530).
158 SELinux and Smack to label files to facilitate enforcement of their policies.
169 The NFSv4 server needs to store a small amount of information on
186 draft-ietf-nfsv4-delstid-08 "Extending the Opening of Files". This

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