ext4: add a new ioctl EXT4_IOC_CLEAR_ES_CACHE

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The new ioctl EXT4_IOC_CLEAR_ES_CACHE will force an inode's extent
status cache to be cleared out.  This is intended for use for
debugging.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

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This commit is contained in:

Theodore Ts'o 2019-08-11 16:30:41 -04:00

parent 547b9ad698

commit b0c013e292

4 changed files with 40 additions and 0 deletions

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2

fs/ext4/ext4.h

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28

fs/ext4/extents_status.c

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1

fs/ext4/extents_status.h

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9

fs/ext4/ioctl.c

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