ext4: Add per CR extent scanned counter

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This gives better visibility into the number of extents scanned in each
particular CR. For example, this information can be used to see how out
block group scanning logic is performing when the BG is fragmented.

Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/55bb6d80f6e22ed2a5a830aa045572bdffc8b1b9.1685449706.git.ojaswin@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

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Ojaswin Mujoo 2023-05-30 18:03:43 +05:30 • committed by Theodore Ts'o

parent 4eb7a4a1a3

commit fdd9a00943

3 changed files with 14 additions and 0 deletions

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1

fs/ext4/ext4.h

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12

fs/ext4/mballoc.c

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1

fs/ext4/mballoc.h

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