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06def17e2f
This patch makes number of fast commit blocks configurable. Also, the number of fast commit blocks can now be seen in dumpe2fs output. $ ./misc/mke2fs -O fast_commit -t ext4 image mke2fs 1.46-WIP (20-Mar-2020) Discarding device blocks: done Creating filesystem with 5120 1k blocks and 1280 inodes Allocating group tables: done Writing inode tables: done Creating journal (1040 blocks): done Writing superblocks and filesystem accounting information: done $ ./misc/dumpe2fs image dumpe2fs 1.46-WIP (20-Mar-2020) ... Journal features: (none) Total journal size: 1040k Total journal blocks: 1040 Max transaction length: 1024 Fast commit length: 16 Journal sequence: 0x00000001 Journal start: 0 $ ./misc/mke2fs -O fast_commit -t ext4 image -J fast_commit_size=256,size=1 mke2fs 1.46-WIP (20-Mar-2020) Creating filesystem with 5120 1k blocks and 1280 inodes Allocating group tables: done Writing inode tables: done Creating journal (1280 blocks): done Writing superblocks and filesystem accounting information: done $ ./misc/dumpe2fs image dumpe2fs 1.46-WIP (20-Mar-2020) ... Journal features: (none) Total journal size: 1280k Total journal blocks: 1280 Max transaction length: 1024 Fast commit length: 256 Journal sequence: 0x00000001 Journal start: 0 This patch also adds information about fast commit feature in mke2fs and tune2fs man pages. Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
30 lines
949 B
C
30 lines
949 B
C
/*
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* util.h --- header file defining prototypes for helper functions
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* used by tune2fs and mke2fs
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*
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* Copyright 2000 by Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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* License.
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* %End-Header%
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*/
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extern int journal_size;
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extern int journal_fc_size;
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extern int journal_flags;
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extern char *journal_device;
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extern char *journal_location_string;
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#ifndef HAVE_STRCASECMP
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extern int strcasecmp (char *s1, char *s2);
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#endif
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extern char *get_progname(char *argv_zero);
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extern void proceed_question(int delay);
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extern void parse_journal_opts(const char *opts);
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extern void check_mount(const char *device, int force, const char *type);
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extern void figure_journal_size(struct ext2fs_journal_params *jparams,
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int requested_j_size, int requested_fc_size, ext2_filsys fs);
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extern void print_check_message(int, unsigned int);
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extern void dump_mmp_msg(struct mmp_struct *mmp, const char *msg);
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