superblock ondisk structure (xfs_sb.h) this is not the partition structure for XFS partition structure see XFS below
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superblock ondisk structure (xfs_sb.h) this is not the partition structure for XFS partition structure see XFS below
- Source
- fs/xfs.inc:145
◆ sb_agblklog
log2 of sb_agblocks (rounded up!)
◆ sb_agblocks
size of an allocation group (the last one may be smaller!)
◆ sb_agcount
number of allocation groups
◆ sb_bad_features2
dd xfs_sb::sb_bad_features2 |
◆ sb_blocklog
◆ sb_blocksize
block is the minimal file system unit, in bytes
◆ sb_crc
◆ sb_dblocks
◆ sb_dirblklog
log2 of dir block size (fsbs)
◆ sb_fdblocks
◆ sb_features2
◆ sb_features_compat
dd xfs_sb::sb_features_compat |
◆ sb_features_incompat
dd xfs_sb::sb_features_incompat |
◆ sb_features_log_incompat
dd xfs_sb::sb_features_log_incompat |
◆ sb_features_ro_compat
dd xfs_sb::sb_features_ro_compat |
◆ sb_flags
◆ sb_fname
inodes per block (aka label)
◆ sb_frextents
◆ sb_gquotino
◆ sb_icount
statistics allocated inodes
◆ sb_ifree
◆ sb_imax_pct
max % of fs for inode space
◆ sb_inoalignmt
inode chunk alignment, fsblocks
◆ sb_inodelog
◆ sb_inodesize
◆ sb_inopblock
◆ sb_inopblog
◆ sb_inprogress
mkfs is in progress, don't mount
◆ sb_logblocks
◆ sb_logsectlog
log2 of the log sector size
◆ sb_logsectsize
dw xfs_sb::sb_logsectsize |
sector size for the log, bytes
◆ sb_logstart
starting block of log (for internal journal)
◆ sb_logsunit
stripe unit size for the log
◆ sb_lsn
◆ sb_magicnum
signature, must be XFS_SB_MAGIC
◆ sb_meta_uuid
metadata file system unique id
◆ sb_pquotino
◆ sb_qflags
◆ sb_rblocks
number of realtime blocks
◆ sb_rbmblocks
number of rt bitmap blocks
◆ sb_rbmino
bitmap inode for realtime extents
◆ sb_rextents
number of realtime extents
◆ sb_rextsize
realtime extent size, blocks
◆ sb_rextslog
◆ sb_rootino
◆ sb_rsumino
summary inode for rt bitmap
◆ sb_sectlog
◆ sb_sectsize
volume sector size in bytes
◆ sb_shared_vn
◆ sb_spino_align
dd xfs_sb::sb_spino_align |
sparse inode chunk alignment
◆ sb_unit
◆ sb_uquotino
◆ sb_uuid
file system unique identifier
◆ sb_versionnum
◆ sb_width
The documentation for this struct was generated from the following file: