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| author | Saranya Muruganandam <saranyamohan@google.com> | 2020-11-17 09:54:30 -0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2021-01-25 15:19:13 -0500 |
| commit | c2f04f7da367ffc4cd64be5b2285878ad23b3e7f (patch) | |
| tree | 3864b0732ea8178d6db7ace4b9b3eabdebe2eeec | |
| parent | 3f56676f4daa7379dbd868a4114910f20d49527d (diff) | |
| download | e2fsprogs-pfsck.tar.gz | |
e2fsck: Annotating fields in e2fsck_structpfsck
Adding information on fields in e2fsck_struct
on how they are used when running parallel fsck.
Signed-off-by: Saranya Muruganandam <saranyamohan@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
| -rw-r--r-- | e2fsck/e2fsck.h | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/e2fsck/e2fsck.h b/e2fsck/e2fsck.h index 1eb8265df..72426d796 100644 --- a/e2fsck/e2fsck.h +++ b/e2fsck/e2fsck.h @@ -251,7 +251,7 @@ struct e2fsck_thread { struct e2fsck_struct { /* Global context to get the cancel flag */ e2fsck_t global_ctx; - ext2_filsys fs; + ext2_filsys fs; /* [fs_fix_rwlock] */ const char *program_name; char *filesystem_name; char *device_name; @@ -260,7 +260,9 @@ struct e2fsck_struct { char *log_fn; FILE *problem_logf; char *problem_log_fn; - int flags; /* E2fsck internal flags */ + /* E2fsck internal flags. + * shared by different threads for pass1 [fs_fix_rwlock] */ + int flags; int options; unsigned blocksize; /* blocksize */ blk64_t use_superblock; /* sb requested by user */ @@ -281,6 +283,7 @@ struct e2fsck_struct { int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, unsigned long max); + /* The following inode bitmaps are separately used in thread_ctx Pass1*/ ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */ ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */ ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */ @@ -288,12 +291,14 @@ struct e2fsck_struct { ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */ ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/ + /* Following 3 protected by [fs_block_map_rwlock] */ ext2fs_block_bitmap block_found_map; /* Blocks which are in use */ ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ /* - * Inode count arrays + * Inode count arrays. + * Separately used in thread_ctx, pass1 */ ext2_icount_t inode_count; ext2_icount_t inode_link_info; @@ -315,7 +320,8 @@ struct e2fsck_struct { /* * Array of flags indicating whether an inode bitmap, block - * bitmap, or inode table is invalid + * bitmap, or inode table is invalid. + * Separately used in thread_ctx, pass1 */ int *invalid_inode_bitmap_flag; int *invalid_block_bitmap_flag; @@ -328,7 +334,8 @@ struct e2fsck_struct { char *block_buf; /* - * For pass1_check_directory and pass1_get_blocks + * For pass1_check_directory and pass1_get_blocks. + * Separately used in thread_ctx in pass1 */ ext2_ino_t stashed_ino; struct ext2_inode *stashed_inode; @@ -387,6 +394,7 @@ struct e2fsck_struct { /* * How we display the progress update (for unix) + * shared by different threads for pass1 [fs_fix_rwlock] */ int progress_fd; int progress_pos; @@ -395,7 +403,7 @@ struct e2fsck_struct { int interactive; /* Are we connected directly to a tty? */ char start_meta[2], stop_meta[2]; - /* File counts */ + /* File counts. Separately used in thread_ctx, pass1 */ __u32 fs_directory_count; __u32 fs_regular_count; __u32 fs_blockdev_count; |