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/linux/Documentation/filesystems/
H A Dqnx6.rst41 The superblock contains all global information about the filesystem.
43 That serial number is used to identify the "active" superblock.
45 serial of the new master superblock is increased (old superblock serial + 1)
51 inactive superblock.
53 Each superblock holds a set of root inodes for the different filesystem
72 The Audi MMI 3G first superblock directly starts at byte 0.
74 Second superblock position can either be calculated from the superblock
79 0x1000 is the size reserved for each superblock - regardless of the
98 used. (scheme is the same as the one used for the superblock root nodes)
122 starting with the superblock longfilename root node pointers.
[all …]
H A Dlocking.rst133 cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem.
214 the superblock down when we only have dev_t given us by userland to
215 identify the superblock. Everything else (statfs(), fstatfs(), etc.)
216 doesn't hold it when calling ->statfs() - superblock is pinned down
240 ->kill_sb() takes a write-locked superblock, does all shutdown work on it,
566 FS recursion means calling ->quota_read() and ->quota_write() from superblock
/linux/security/landlock/
H A Dfs.h128 * @inode_refs: Number of pending inodes (from this superblock) that
148 landlock_superblock(const struct super_block *const superblock)
150 return superblock->s_security + landlock_blob_sizes.lbs_superblock;
92 landlock_superblock(const struct super_block * const superblock) landlock_superblock() argument
/linux/Documentation/filesystems/ext4/
H A Dchecksums.rst8 The desired checksum algorithm is indicated in the superblock, though as
27 of checksum. The checksum function is whatever the superblock describes
39 - The entire superblock up to the checksum field. The UUID lives inside
40 the superblock.
H A Dorphan.rst15 superblock contains the inode number of the last orphan inode (s_last_orphan
21 (referenced from the superblock through s_orphan_file_inum) with several
37 RO_COMPAT_ORPHAN_PRESENT feature in the superblock to indicate there may
H A Dspecial_inodes.rst37 …st non-reserved inode. Usually this is the lost+found directory. See s_first_ino in the superblock.
41 hierarchy. These are generally reference from the superblock. They are:
H A Dgroup_descr.rst15 group, the only data structures with fixed locations are the superblock
23 however, the superblock and a single block group descriptor block is
32 the size is stored in the superblock.
H A Djournal.rst43 journal inode are replicated in the ext4 superblock. The journal itself
86 The journal superblock will be in the next full block after the
87 superblock.
150 - Journal superblock, v1.
152 - Journal superblock, v2.
164 The journal superblock is recorded as ``struct journal_superblock_s``,
182 - Common header identifying this as a superblock.
215 - The remaining fields are only valid in a v2 superblock.
274 - Checksum of the entire superblock, with this field set to zero.
560 the superblock advertises 64-bit block number support, or 4 bytes
H A Dbigalloc.rst26 stored in the s_log_cluster_size field in the superblock); from then
/linux/scripts/gdb/linux/
H A Dproc.py192 superblock = mnt['mnt']['mnt_sb']
193 fstype = superblock['s_type']['name'].string()
194 s_flags = int(superblock['s_flags'])
199 mnt.format_string(), superblock.format_string(), devname,
/linux/Documentation/ABI/testing/
H A Dsysfs-fs-nilfs260 What: /sys/fs/nilfs2/<device>/superblock/sb_write_time
67 What: /sys/fs/nilfs2/<device>/superblock/sb_write_time_secs
73 What: /sys/fs/nilfs2/<device>/superblock/sb_write_count
79 What: /sys/fs/nilfs2/<device>/superblock/sb_update_frequency
83 Show/Set interval of periodical update of superblock
86 What: /sys/fs/nilfs2/<device>/superblock/README
90 Describe attributes of /sys/fs/nilfs2/<device>/superblock
H A Dsysfs-fs-ext416 stripe size is not set in the ext4 superblock
/linux/fs/nilfs2/
H A Dsysfs.h77 NILFS_DEV_ATTR_STRUCT(superblock);
139 NILFS_RO_ATTR(superblock, name)
141 NILFS_RW_ATTR(superblock, name)
H A Dsysfs.c826 NILFS_DEV_INT_GROUP_OPS(superblock, dev);
827 NILFS_DEV_INT_GROUP_TYPE(superblock, dev);
828 NILFS_DEV_INT_GROUP_FNS(superblock, dev);
/linux/Documentation/networking/
H A Dsysfs-tagging.rst29 Each sysfs superblock's kernfs_super_info contains an array
31 kobj_nstype first mounts sysfs, a new superblock is created. It
/linux/drivers/md/persistent-data/
H A Ddm-space-map-metadata.h36 dm_block_t superblock);
H A Ddm-transaction-manager.h52 int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *superblock);
H A Ddm-space-map-metadata.c787 dm_block_t superblock) in dm_sm_metadata_create() argument
792 smm->begin = superblock + 1; in dm_sm_metadata_create()
814 r = add_bop(smm, BOP_INC, superblock, smm->begin); in dm_sm_metadata_create()
/linux/security/selinux/include/
H A Dobjsec.h246 selinux_superblock(const struct super_block *superblock) in selinux_superblock() argument
248 return superblock->s_security + selinux_blob_sizes.lbs_superblock; in selinux_superblock()
/linux/security/smack/
H A Dsmack.h379 const struct super_block *superblock) in smack_superblock()
381 return superblock->s_security + smack_blob_sizes.lbs_superblock;
377 smack_superblock(const struct super_block * superblock) smack_superblock() argument
/linux/fs/befs/
H A DChangeLog79 * Abbandoned silly checks for a NULL superblock pointer in debug.c. [WD]
167 superblock type, rather than struct super_block. This is for
178 * Added functions to get the private superblock and inode structures from
244 * Fixed a problem with reading the superblock on devices with large sector
375 very end of befs_read_super(), after we are done with the disk superblock.
396 * Removed superblock locking calls in befs_read_super(). In 2.4, the VFS
/linux/Documentation/admin-guide/device-mapper/
H A Dpersistent-data.rst52 ensures that all data is flushed before it writes the superblock.
H A Dwritecache.rst10 first sector should contain valid superblock from previous invocation.
/linux/Documentation/filesystems/caching/
H A Dfscache.rst107 files (typically something that a netfs would get for a superblock); and
113 superblock, say, from another. This would be a compound of things like
H A Dnetfs-api.rst58 A filesystem would typically have a volume cookie for each superblock.
363 ``write_inode`` superblock operation. It cleans up after writing by unusing
367 superblock operation. It must be called *after*

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